ZIP Code 73521 in Altus, OK

Data Last Updated: October 1, 2025
City:Altus, Oklahoma
County:Jackson County
Timezone:Central (GMT -06:00)
Local Time:6:37:39 PM
Population:20,209 [See All]
Area Code:580
Classification:Standard [Normal Street Delivery]
Coordinates:34.6888, -99.3444
Land Area:185.761 sq mi
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Population & Demographics


ZIP Code 73521 has 20,209 residents and 8,098 households (average 2.44 persons per household). The median age is 34.8 years, slightly younger than the state (37.3) and younger than the nation (38.8). The gender split is 49.9% male and 50.1% female, which is about the same as the national male share (49.1%). Largest groups are White (63.8%, slightly higher than the national average of 61.6%) and Hispanic or Latino (25.9%); Hispanic or Latino residents make up 25.9%, which is much higher than the state average (11.9%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:20,209Source: Census DHC
2023 ACS Population Estimate:20,352Source: Census ACS
2025 ZC Population Estimate:21,218Source: ZIP-Codes.com
Population Density:108.8 people per sq mile
Average Income:$59,857Source: Census ACS
Households:8,098Source: Census DHC
Average House Value:$150,900Source: Census ACS
Persons Per Household:2.44Source: Census DHC
Average Family Size:2.93Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--21,54621,83421,81221,79321,60521,31620,91720,67620,61620,08320,29820,47920,352
Decennial Census21,636------------------20,209------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

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


Median Age: 34.8

Male Median Age: 33.4

Female Median Age: 36.2

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male726725667711874780801659505480541626602486366246167127
Female717736658651667676778612529565556615632518399312235264
Total1,4431,4611,3251,3621,5411,4561,5791,2711,0341,0451,0971,2411,2341,004765558402391
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:12,89556.79%
Black:1,6457.24%
Hispanic:*5,22723.02%
Asian:3141.38%
American Indian:3921.73%
Hawaiian:720.32%
Other:2,1629.52%
Total:22,707100%
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.

Gender Breakdown


GenderCount%Median Age
Males:10,08949.92%33.4 years
Females:10,12050.08%36.2 years
Total:20,209100%34.8 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:18,74792.11%
Native, born in PR, Island Areas, or abroad:2991.47%
Foreign born, naturalized U.S. citizen:5882.89%
Foreign born, not a U.S. citizen:7186.42%
Total Population:20,352100%
Total Native Population:19,04693.58%
Total Foreign-born Population:1,3066.42%
Source: U.S. Census 2019-2023 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 2023, the Median household income is $59,857, which is far less than the national median ($78,538), is up $18,385 (44.3%) since 2011 and above its 2019 pre-pandemic level by $11,137. Family households earn a median of $78,660 versus $34,396 for nonfamily households (a difference of $44,264). By gender, male median income is $54,951 and female is $41,778, which is well under the national female median ($53,445), with a current gap of $13,173 that has widened from 2011 to 2023. The labor-force participation rate is 68.8%, which is far greater than the state rate (61.3%). The unemployment rate is 5.2%, which is a bit above the state rate (4.8%). The largest occupation group is Management (35.1%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

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


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$41,472$41,921$43,279$42,145$40,826$43,650$43,656$44,010$48,720$50,460$55,689$61,441$59,857
Median Family Income$52,549$51,885$50,705$49,726$48,138$52,368$52,227$54,289$60,205$64,649$69,349$76,496$78,660
Median NonFamily Income$26,312$30,665$31,644$28,381$26,709$30,220$28,603$31,024$32,125$32,330$34,000$37,514$34,396
Median Male Income$37,181$36,739$36,382$35,707$36,660$37,178$37,062$40,513$43,115$44,861$47,763$54,455$54,951
Median Female Income$26,750$28,131$29,275$28,685$27,371$28,396$27,617$27,014$28,079$29,829$33,201$38,750$41,778
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:8,82559.55%
Unemployed:5263.55%
Not In Labor Force:5,46936.90%
Total:14,820100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

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


Management, business, science, and arts:3,10035.13%
Service:1,58817.99%
Sales and Office:1,45916.53%
Natural resources, construction, and maintenance:1,34515.24%
Production, transportation, and material moving:1,33315.10%
Total Civilian Employed Population:8,825100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $150,900, which is well under the national median ($303,400), is up $56,600 (60.02%) since 2011 and above its 2019 pre-pandemic level by $36,200. The median gross rent is $896, which is considerably lower than the national median ($1,348), is up $261 (41.10%) since 2011 and above its 2019 pre-pandemic level by $151. Of occupied housing, owners make up 58.73% (53.97% with a mortgage, 46.03% free-and-clear) and renters 41.27% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 17.89%, which is far higher than the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$94,300$89,900$94,300$92,500$98,300$92,000$104,900$107,400$114,700$102,000$108,000$117,700$150,900
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:2697.96%
$500 to $999:1,96458.11%
$1,000 to $1,499:78423.20%
$1,500 to $1,999:1775.24%
$2,000 to $2,499:531.57%
$2,500 to $2,999:00.00%
$3,000 or more:200.59%
No Rent:1133.34%
Total:3,380100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$635$645$687$695$723$702$708$735$745$738$815$868$896
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2,59631.70%
Owner Occupied (free and clear, no mortgage):2,21427.03%
Renter Occupied:3,38041.27%
Total Occupied Housing Units:8,190100%

Occupied Housing Units:8,19082.11%
Vacant Housing Units (not graphed):1,78517.89%
Total Housing Units:9,975100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

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


Single-Family Units:8,27582.96%
Multi-Family Units:1,45014.54%
Other Units:2502.51%
Total Housing Units:9,975100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 24.60% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 86.20%, which is falls below the national rate (89.40%). The uninsured rate is 14.40%, which is far higher than the national rate (8.60%). The share of people in poverty is 12.30%, which is well above the national rate (8.70%), down 2.40 percentage points since 2011 and below its 2019 pre-pandemic level by 0.50 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 (47.21%). College enrollment is 21.68%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:8756.68%
9th to 12th grade, no diploma:9327.11%
High school graduate (includes equivalency):3,44626.31%
Some college, no degree:2,97322.69%
Associate's degree:1,65712.65%
Bachelor's degree:2,03115.50%
Graduate or professional degree:1,1869.05%
Total:13,100100%
High school or higher:11,29386.21%
Bachelor's degree or higher:3,21724.56%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

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


Private Insurance:12,17155.55%
Public Insurance:6,98231.87%
No Insurance:2,75612.58%
Total:21,909100%
Has Health Insurance:19,15387.42%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty14.7%13.5%12.2%11.1%13.9%12.6%14.8%13.9%12.8%10.7%12.3%10.4%12.3%
Source: U.S. Census 2011-2023 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)


Nursery School, Preschool:3186.54%
Kindergarten:2475.08%
Elementary school (grades 1-8):2,29747.21%
High school (grades 9-12):94919.50%
College or graduate school:1,05521.68%
Total:4,866100%
Early Childhood:56511.61%
K-12 (Primary & Secondary School):3,49371.78%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 73521 supports both business and residential activity. According to the Business Census (2023), there are 435 business establishments, employing about 5,454 people with an annual payroll of $222,742,000. USPS data shows 8,696 residential mailboxes and 616 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:8,696Source: USPS
# Business Mailboxes:616Source: USPS
Total Delivery Receptacles:9,290Source: USPS
Single Family Delivery Units:7,311Source: USPS
Multi Family Delivery Units:308Source: USPS
# of Businesses:435Source: CBP
1st Quarter Payroll:$53,703,000Source: CBP
Annual Payroll:$222,742,000Source: CBP
# of Employees:5,454Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 73521 is located in Jackson County, Oklahoma, within the Altus, OK Metropolitan Statistical Area (CBSA 11060) and Oklahoma's 3rd Congressional District. This Micro area has a population of 24,730 people, about 81.72% of whom live in ZIP Code 73521. It covers 185.761 sq mi of land and a water area of 0.257 sq mi.

CBSA Name:Altus, OKSource: Census
CBSA Number:11060Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:24,730Source: Census
MSA:Source: Census
Land Area:185.761 sq miSource: Census
Water Area:0.257 sq miSource: Census
Congressional District:03Source: USPS
Congressional Land Area:34116.73 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4001700Source: Census
Place Name:Altus city; OklahomaSource: Census

Adjacent & Nearby ZIP Codes


73522 | | 73520

Schools in ZIP Code 73521


ZIP Code 73521 is part of 2 school districts, including: Navajo Public Schools (Grades KG thru 12) and Altus Public Schools (Grades Pre-Kindergarten thru 12th). There are 10 public schools and 1 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Navajo Es 15695 South County Road 210
Altus, OK 73521
District: Navajo Public Schools
Navajo Hs 15695 South County Road 210
Altus, OK 73521
District: Navajo Public Schools
Navajo Jhs 15695 South County Road 210
Altus, OK 73521
District: Navajo Public Schools
Altus Hs 400 North Park Avenue
Altus, OK 73521
District: Altus Public Schools
Rivers Es 3000 North Veterans Drive
Altus, OK 73521
District: Altus Public Schools
Altus Primary School 1200 Glenda
Altus, OK 73521
District: Altus Public Schools
Altus Jhs 1600 South Park Lane
Altus, OK 73521
District: Altus Public Schools
Altus Es 1830 Sunset
Altus, OK 73521
District: Altus Public Schools
Altus Early Childhood Center 1100 N Forrest
Altus, OK 73521
District: Altus Public Schools
Altus Intermediate School 1221 North Howse Street
Altus, OK 73521
District: Altus Public Schools
Altus Christian Academy 1220 N Grady St
Altus, OK 73521
District: Private School

Colleges & Post Secondary Schools near ZIP Code 73521


Western Oklahoma State College 2801 N Main St
Altus, OK 73521-1397
Type: Post Secondary
Southwest Technology Center 711 W. Tamarack
Altus, OK 73521
Type: Post Secondary
Vernon College 4400 College Dr.
Vernon, TX 76384-4092
Type: Post Secondary
Western Technology Center 621 Sooner Drive
Burns Flat, OK 73624-1469
Type: Post Secondary
Great Plains Technology Center 4500 W Lee Blvd
Lawton, OK 73505-8399
Type: Post Secondary
Cameron University 2800 West Gore Blvd
Lawton, OK 73505-6377
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov