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Population & Demographics

ZIP Code 81101 has 15,657 residents and 6,070 households (average 2.42 persons per household). The median age is 34.6 years, slightly younger than the state (37.2) and younger than the nation (38.8). The gender split is 49.0% male and 51.0% female, which is slightly lower than the state male share (50.2%), making this a female-majority area. Largest groups are White (61.1%, much lower than the state average of 70.7%) and Hispanic or Latino (48.2%); Hispanic or Latino residents make up 48.2%, which is much higher than the national average (18.7%).

Explore More:Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.

2020 Population:	15,657Source: Census DHC
2024 ACS Population Estimate:	15,550Source: Census ACS
2026 ZC Population Estimate:	16,184Source: ZIP-Codes.com
Population Density:	42.4 people per sq mile
Average Income:	$54,844Source: Census ACS

Households:	6,070Source: Census DHC
Average House Value:	$240,400Source: Census ACS
Persons Per Household:	2.42Source: Census DHC
Average Family Size:	3.14Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)

Line chart of ZIP 81101 population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2010	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Census ACS Population Estimate	--	14,597	14,873	15,048	15,330	15,569	15,680	15,568	15,477	15,153	15,014	15,110	15,245	15,454	15,550
Decennial Census	14,675	--	--	--	--	--	--	--	--	--	15,657	--	--	--	--

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)

Median Age: 34.6

Male Median Age: 33.7

Female Median Age: 35.6

Line chart for ZIP 81101 showing total, male, and female population by age group. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	< 5	5-9	10-14	15-19	20-24	25-29	30-34	35-39	40-44	45-49	50-54	55-59	60-64	65-69	70-74	75-79	80-84	85+
Male	472	567	570	611	683	537	549	472	439	360	363	453	462	403	326	195	127	78
Female	431	533	550	645	667	550	555	511	423	361	421	468	511	479	341	222	140	182
Total	903	1,100	1,120	1,256	1,350	1,087	1,104	983	862	721	784	921	973	882	667	417	267	260

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Pie Chart & Table Comparison Chart

Population by Race

Pie chart of the racial and ethnic makeup of ZIP 81101. Table below includes counts and percentages. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

White:	9,573	46.86%
Black:	249	1.22%
Hispanic:*	7,546	36.94%
Asian:	180	0.88%
American Indian:	687	3.36%
Hawaiian:	17	0.08%
Other:	2,175	10.65%
Total:	20,427	100%

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Pie Chart & Table Comparison Chart

Gender Breakdown

Simple chart showing male vs female share of the population in ZIP Code 81101. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Gender	Count	%	Median Age
Males:	7,667	48.97%	33.7 years
Females:	7,990	51.03%	35.6 years
Total:	15,657	100%	34.6 years

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship

Pie chart showing nativity in ZIP 81101. Categories include native residents (born in the United States, Puerto Rico, U.S. Island Areas, or abroad to American parents) and foreign-born residents. A table below lists counts and percentages. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Native, born in the United States:	14,604	93.92%
Native, born in PR, Island Areas, or abroad:	120	0.77%
Foreign born, naturalized U.S. citizen:	250	1.61%
Foreign born, not a U.S. citizen:	576	5.31%
Total Population:	15,550	100%
Total Native Population:	14,724	94.69%
Total Foreign-born Population:	826	5.31%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment

In 2024, the Median household income is $54,844, which is considerably lower than the national median ($78,538), is up $16,338 (42.4%) since 2011 and above its 2019 pre-pandemic level by $17,714. Family households earn a median of $65,491 versus $27,600 for nonfamily households (a difference of $37,891). By gender, male median income is $45,666 and female is $43,516, which is far less than the national female median ($53,445), with a current gap of $2,150 that has narrowed from 2011 to 2024. The labor-force participation rate is 62.6%, which is comparable to the national rate (63.5%). The unemployment rate is 3.6%, which is lower than the national rate (5.2%). The largest occupation group is Management (38.2%).

Explore More:Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Line chart showing median income in ZIP 81101 from 2011-2024 for five series: household, family, nonfamily, male, and female. The table below lists the yearly values. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Income Type	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Household Income	$38,506	$38,108	$33,620	$30,876	$32,124	$32,094	$35,776	$38,245	$37,130	$40,233	$45,844	$52,125	$50,020	$54,844
Median Family Income	$47,303	$49,426	$50,000	$46,353	$48,912	$45,839	$45,759	$49,645	$47,555	$50,143	$53,173	$65,857	$60,833	$65,491
Median NonFamily Income	$17,576	$16,003	$14,546	$14,674	$15,642	$16,282	$18,130	$25,084	$27,960	$27,988	$28,602	$31,369	$26,723	$27,600
Median Male Income	$37,341	$37,656	$40,898	$41,698	$47,604	$40,574	$37,281	$40,056	$40,108	$42,040	$44,776	$47,096	$45,673	$45,666
Median Female Income	$33,385	$33,734	$33,839	$33,277	$33,571	$33,881	$33,617	$34,298	$34,720	$31,939	$35,924	$42,733	$41,242	$43,516

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income

Bar chart showing average household income comparing ZIP 81101, city of Alamosa, Alamosa County, state of Colorado, and United States national values. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Pie Chart & Table Comparison Chart

Employment Status

Pie chart of employment status for ZIP 81101, showing the shares who are employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Employed:	7,443	60.40%
Unemployed:	276	2.24%
Not In Labor Force:	4,603	37.36%
Total:	12,322	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)

Donut Chart showing the distribution of employed civilians aged 16 and over by occupation category: management, service, sales and office, natural resources and construction, and production and transportation. A table with the same data and percentages is provided as well.Load Chart Manually (if needed)

Management, business, science, and arts:	2,841	38.17%
Service:	1,429	19.20%
Sales and Office:	1,905	25.59%
Natural resources, construction, and maintenance:	513	6.89%
Production, transportation, and material moving:	755	10.14%
Total Civilian Employed Population:	7,443	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability

In 2024, the median home value is $240,400, which is much lower than the national median ($303,400), is up $108,200 (81.85%) since 2011 and above its 2019 pre-pandemic level by $81,600. The median gross rent is $912, which is much lower than the national median ($1,348), is up $365 (66.73%) since 2011 and above its 2019 pre-pandemic level by $224. Of occupied housing, owners make up 54.72% (60.09% with a mortgage, 39.91% free-and-clear) and renters 45.28% - making this ZIP Code higher than national rental averages. The vacancy rate is 7.63%, which is considerably lower than the national rate (10.43%).

Explore More:Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)

Bar chart showing the median home value for ZIP 81101, compared with Alamosa, Alamosa County, state of Colorado, and the U.S. National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time

Line chart showing median home values for ZIP 81101 across years 2011-2024 using ACS 5-year estimates. The chart displays the typical dollar value of owner-occupied housing units. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Home Value	$132,200	$133,800	$137,400	$142,500	$145,100	$141,800	$153,000	$158,100	$158,800	$152,300	$159,100	$197,800	$216,900	$240,400

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid

Pie chart of gross rent for renter-occupied homes in ZIP 81101, showing monthly rent brackets and the share of units in each range. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Less than $500:	358	12.57%
$500 to $999:	1,445	50.72%
$1,000 to $1,499:	526	18.46%
$1,500 to $1,999:	410	14.39%
$2,000 to $2,499:	0	0.00%
$2,500 to $2,999:	0	0.00%
$3,000 or more:	10	0.35%
No Rent:	100	3.51%
Total:	2,849	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time

Line chart displaying median gross rent for ZIP 81101 over the years 2011-2024 using ACS 5-year estimates. The chart represents typical monthly housing costs for renter households. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Rent	$547	$585	$584	$617	$627	$623	$656	$648	$688	$700	$700	$824	$908	$912

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy

Pie chart showing housing occupancy for ZIP 81101. Categories include owner-occupied units with a mortgage, owner-occupied units free and clear, and renter-occupied units. A table below lists counts and percentages. Vacant housing units are shown separately in the Vacancy chart. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Owner Occupied (with mortgage):	2,069	32.88%
Owner Occupied (free and clear, no mortgage):	1,374	21.84%
Renter Occupied:	2,849	45.28%
Total Occupied Housing Units:	6,292	100%

Occupied Housing Units:	6,292	92.37%
Vacant Housing Units (not graphed):	520	7.63%
Total Housing Units:	6,812	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)

Pie chart showing housing type distribution for ZIP 81101. Categories include single-family units (detached or attached), multi-family units (from 2 units up to 50 or more units), and other structures such as mobile homes or boats/RVs. A table below lists counts and percentages for each group.Load Chart Manually (if needed)

Single-Family Units:	4,398	64.56%
Multi-Family Units:	1,633	23.97%
Other Units:	781	11.47%
Total Housing Units:	6,812	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community

In 2024, 32.40% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.00%). High school or higher is 88.20%, which is comparable to the national rate (89.40%). The uninsured rate is 5.30%, which is falls below the national rate (8.60%). Private coverage is 50.10%, which is falls below the national rate (67.30%). Public coverage is 53.60%, which is well above the national rate (36.30%). The share of people in poverty is 12.90%, which is comparable to the national rate (8.70%), down 1.40 percentage points since 2011 and below its 2019 pre-pandemic level by 6.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (37.52%). College enrollment is 33.95%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.

Explore More:Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)

Pie chart of educational attainment for adults (25+) in ZIP 81101, including each level from less than 9th grade to graduate/professional. Summary rows show high school or higher and bachelor's or higher. A table lists counts and percentages.Load Chart Manually (if needed)

Less than 9th grade:	568	5.92%
9th to 12th grade, no diploma:	564	5.88%
High school graduate (includes equivalency):	2,340	24.40%
Some college, no degree:	2,083	21.72%
Associate's degree:	928	9.68%
Bachelor's degree:	1,654	17.25%
Graduate or professional degree:	1,452	15.14%
Total:	9,589	100%
High school or higher:	8,457	88.19%
Bachelor's degree or higher:	3,106	32.39%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Pie Chart & Table Comparison Chart

Health Insurance Coverage by Type (Private, Public, Uninsured)

Pie chart illustrating health insurance coverage by type for ZIP Code 81101. Categories include private insurance, public coverage such as Medicare and Medicaid, and individuals with no health insurance. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Private Insurance:	7,698	45.99%
Public Insurance:	8,233	49.18%
No Insurance:	808	4.83%
Total:	16,739	100%
Has Health Insurance:	15,931	95.17%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)

Line chart displaying the share of families and people in ZIP 81101 whose income falls below the federal poverty threshold, using ACS 5-year estimates from 2011 through 2024. The chart shows year-to-year changes in the percentage of people in poverty. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
% of People in Poverty	15.3%	15.4%	18.7%	17.6%	18.0%	21.9%	19.1%	17.2%	20.2%	15.1%	14.7%	12.0%	13.9%	12.9%

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)

Pie Chart showing enrollment of residents ages 3 and older in Nursery School or Preschool, Kindergarten, Elementary (grades 1-8), High School (grades 9-12), and College or Graduate School. A table with the same data and percentages is provided as well.Load Chart Manually (if needed)

Nursery School, Preschool:	180	4.04%
Kindergarten:	359	8.06%
Elementary school (grades 1-8):	1,672	37.52%
High school (grades 9-12):	732	16.43%
College or graduate school:	1,513	33.95%
Total:	4,456	100%
Early Childhood:	539	12.10%
K-12 (Primary & Secondary School):	2,763	62.01%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

City:	Alamosa, Colorado
City Alias:	Great Sand Dunes National Mo, Sand Dunes Mo
Names to Avoid:	Carmel, East Alamosa, Estrella, Henry, Stanley, Washington, Waverly
Counties:	Alamosa County[Primary] Conejos County
Timezone:	Mountain (GMT -07:00)
Local Time:	9:03:48 AM
Population:	15,657 [See All]
Area Code:	719
Classification:	Standard [Normal Street Delivery]
Coordinates:	37.4553, -105.7715
Land Area:	369.001 sq mi
Quick Link:	https://www.zip-codes.com/zip-code/81101/zip-code-81101.asp

# Residential Mailboxes:	6,688Source: USPS
# Business Mailboxes:	636Source: USPS
Total Delivery Receptacles:	8,163Source: USPS
Single Family Delivery Units:	4,317Source: USPS
Multi Family Delivery Units:	72Source: USPS

# of Businesses:	465Source: CBP
1st Quarter Payroll:	$65,194,000Source: CBP
Annual Payroll:	$272,213,000Source: CBP
# of Employees:	5,760Source: CBP

CBSA Name:	Alamosa, COSource: Census
CBSA Number:	10480Source: Census
CBSA Type:	MicroSource: Census
CBSA Division:	--Source: Census
CBSA Population:	0Source: Census
MSA:	Source: Census
Land Area:	369.001 sq miSource: Census
Water Area:	0.537 sq miSource: Census

Congressional District:	03Source: USPS
Congressional Land Area:	49731.77 sq miSource: Census
PMSA:	Source: Census
Intro Date:	< 2004-10Source: ZIP-Codes.com
Place FIPS Code:	0801090Source: Census
Place Name:	Alamosa city; ColoradoSource: Census

ZIP Code 81101 in Alamosa, CO

Population & Demographics

Population Over Time (with 2010 & 2020 Census Benchmarks)

Population by Age & Gender (Total, Male, Female)

Population by Race

Gender Breakdown

Nativity & Citizenship

Income & Employment

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Average Household Income

Employment Status

Employment by Occupation (Civilian Employed Population, 16 and Over)

Housing & Affordability

Median Home Value (Comparison)

Median Home Value Over Time

Gross Rent Paid

Median Gross Rent Over Time

Housing Occupancy

Housing Type (Single-Family, Multi-Family, Other)

Education, Health & Community

Educational Attainment of Adults (25 and Older)

Health Insurance Coverage by Type (Private, Public, Uninsured)

Percentage of People in Poverty Over Time (2011-2024)

School Enrollment by Education Level (Ages 3 and Older)

Business & Employment Statistics

Geography, Land Area, & Statistical Classifications

Adjacent & Nearby ZIP Codes

Schools in ZIP Code 81101

Colleges & Post Secondary Schools near ZIP Code 81101

Sources & References