ZIP Code 80623 in Gilcrest, CO

Data Last Updated: February 1, 2026
City:Gilcrest, Colorado
County:Weld County
Timezone:Mountain (GMT -07:00)
Local Time:9:01:15 AM
Population:999 [See All]
Area Code:970
Classification:PO Box
Coordinates:40.2844, -104.7797
Land Area:0.67 sq mi
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80623 - Gilcrest, CO

ZIP Code 80623, Gilcrest

Small Town
LocationWeld County, CO
Area0.9 sq mi
Population999
Households326
PO Boxes411 Regional Hub (126%)
Median Age36.2 years
ZIP CreatedBefore Oct 2004
Key Facts
  • This is a PO Box Only Zone, meaning there's no alternative mail delivery option in the area
  • The post office maintains 411 PO Boxes for 326 households (126% adoption), serving residents beyond the town boundaries
  • Gilcrest has mixed Urban+Rural delivery with one rural carrier route and one city carrier route, though PO Boxes remain the primary system
  • About 42% of workers work from home, well above national averages, likely reflecting agricultural operations and remote work
  • Housing stock is remarkably old, with 90% of units built before 1939, preserving the town's early 20th-century agricultural character

Community Overview

Gilcrest is a small agricultural community in Weld County, Colorado, about 40 miles north of Denver. With a population of 999 spread across less than one square mile, it's a compact town with a traditional street grid. Main Street, numbered streets (3rd through 14th), and tree-named streets like Elm, Birch, and Ash define the layout. US Highway 85 runs through the area, connecting Gilcrest to Fort Collins and Greeley.

Postal Services

This is a PO Box Only Zone. There's no alternative mail delivery across Gilcrest's service area. The post office maintains 411 PO Boxes for 326 occupied homes, a 126% adoption rate that indicates the post office serves households beyond just the town itself. Mail delivery includes one rural carrier route (75 ZIP+4 records) and one city carrier route (2 records), but the PO Box system remains the primary access point for residents.

Local Character

Gilcrest's demographics show a working-age community with a median age of 36.2 years. About 42% of workers work from home, well above national averages. This reflects a combination of agricultural operations and remote work arrangements. Among the 999 residents, 617 identify as White, 236 as Some Other Race, and 88 as Hispanic or Latino. The town has 21 business establishments employing 97 people.

Housing and Development

Housing stock is modest and older, with 76% of occupied homes owner-occupied. Median home values stand at $287,000, and median gross rent is $1,900. The town has 344 total housing units with only 18 vacant units, suggesting stable occupancy. About 90% of housing was built before 1939, preserving the character of an early agricultural settlement along the railroad corridor.

Street Name Patterns

Numbered Grid Nature Names Railroad Heritage

Gilcrest's street layout includes a numbered grid (3rd through 14th streets), tree-named streets like Elm and Birch, and Railroad Street, which reflects the town's origins as a railroad community.

Nearby Areas

Fossil Lake Greenstone Observatory Village Westchase Morningside
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Population & Demographics


ZIP Code 80623 has 999 residents and 326 households (average 3.06 persons per household). The median age is 36.2 years, slightly younger than the state (37.2) and slightly younger than the nation (38.8). The gender split is 51.4% male and 48.6% female, which is slightly higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (61.8%, much lower than the state average of 70.7%) and Hispanic or Latino (52.2%); Hispanic or Latino residents make up 52.2%, which is much higher than the national average (18.7%), and Other / Two or More Races share is much higher than both the state (8.0%) and national averages (8.4%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & 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:999Source: Census DHC
2024 ACS Population Estimate:1,026Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:1,491.0 people per sq mile
Average Income:$0Source: Census ACS
Households:326Source: Census DHC
Average House Value:$321,900Source: Census ACS
Persons Per Household:3.06Source: Census DHC
Average Family Size:2.94Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--9891,0951,0639769119469559519381,3811,1711,0829871,026
Decennial Census1,028------------------999--------
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: 36.2

Male Median Age: 34.1

Female Median Age: 37.6

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male273545513635333134312637402014873
Female3234284530292740303221382921241079
Total596973966664607164634775694138181412
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:61744.36%
Black:30.22%
Hispanic:*52137.46%
Asian:40.29%
American Indian:100.72%
Hawaiian:00%
Other:23616.97%
Total:1,391100%
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:51351.35%34.1 years
Females:48648.65%37.6 years
Total:999100%36.2 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:74973.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:10910.62%
Foreign born, not a U.S. citizen:16827.00%
Total Population:1,026100%
Total Native Population:74973.00%
Total Foreign-born Population:27727.00%
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 $0, which is well under the national median ($78,538), is down $44,286 (100.0%) since 2011 and below its 2019 pre-pandemic level by $62,917. Family households earn a median of $49,318 versus $0 for nonfamily households (a difference of $49,318). By gender, male median income is $42,375 and female is $45,938, which is much lower than the national female median ($53,445), with a current gap of $3,563 that has narrowed from 2011 to 2024. The labor-force participation rate is 68.6%, which is higher than the national rate (63.5%). The unemployment rate is 4.0%, which is below the national rate (5.2%). The largest occupation group is Production (26.8%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy 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)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$44,286$41,750$48,750$50,714$45,000$52,500$53,056$55,455$62,917$62,917$62,656$64,583$66,771$0
Median Family Income$45,625$41,435$42,171$44,688$43,125$53,125$55,227$59,792$73,333$67,969$64,844$70,556$65,938$49,318
Median NonFamily Income$37,955$36,083$47,083$46,563$38,125$0$0$37,857$41,042$40,893$48,750$46,667$0$0
Median Male Income$36,648$32,500$39,327$40,083$0$48,750$50,365$50,972$46,190$37,232$42,143$41,705$42,639$42,375
Median Female Income$19,643$21,875$23,750$27,750$0$29,821$30,694$31,648$36,250$38,000$40,368$45,977$49,531$45,938
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


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

Employment Status


Employed:50365.84%
Unemployed:212.75%
Not In Labor Force:24031.41%
Total:764100%
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)


Management, business, science, and arts:8116.10%
Service:13025.84%
Sales and Office:5210.34%
Natural resources, construction, and maintenance:10520.87%
Production, transportation, and material moving:13526.84%
Total Civilian Employed Population:503100%
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 $321,900, which is notably higher than the national median ($303,400), is up $201,600 (167.58%) since 2011 and above its 2019 pre-pandemic level by $132,600. The median gross rent is $1,682, which is much higher than the national median ($1,348), is up $573 (51.67%) since 2011 and above its 2019 pre-pandemic level by $557. Of occupied housing, owners make up 88.85% (63.88% with a mortgage, 36.12% free-and-clear) and renters 11.15% - making this ZIP Code under national rental averages. The vacancy rate is 4.52%, which is considerably lower than the national rate (10.43%).

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


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

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$120,300$116,100$116,400$116,700$133,800$150,200$160,200$172,400$189,300$204,500$227,800$267,200$287,000$321,900
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:1030.30%
$1,500 to $1,999:1133.33%
$2,000 to $2,499:00.00%
$2,500 to $2,999:721.21%
$3,000 or more:00.00%
No Rent:515.15%
Total:33100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$1,109$1,057$1,088$944$950$1,004$886$838$1,125$1,375$1,420$1,724$1,900$1,682
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):16856.76%
Owner Occupied (free and clear, no mortgage):9532.09%
Renter Occupied:3311.15%
Total Occupied Housing Units:296100%

Occupied Housing Units:29695.48%
Vacant Housing Units (not graphed):144.52%
Total Housing Units:310100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

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


Single-Family Units:25682.58%
Multi-Family Units:00.00%
Other Units:5417.42%
Total Housing Units:310100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 5.60% 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 78.00%, which is far lower than the national rate (89.40%). The uninsured rate is 13.10%, which is comparable to the national rate (8.60%). Private coverage is 37.40%, which is falls below the national rate (67.30%). Public coverage is 52.70%, which is well above the national rate (36.30%). The share of people in poverty is 17.50%, which is comparable to the national rate (8.70%), up 8.40 percentage points since 2011 and above its 2019 pre-pandemic level by 12.90 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is elementary (51.00%). College enrollment is 14.46%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool 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)


Less than 9th grade:10115.21%
9th to 12th grade, no diploma:456.78%
High school graduate (includes equivalency):19829.82%
Some college, no degree:20530.87%
Associate's degree:7811.75%
Bachelor's degree:243.61%
Graduate or professional degree:131.96%
Total:664100%
High school or higher:51878.01%
Bachelor's degree or higher:375.57%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

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


Private Insurance:38436.26%
Public Insurance:54151.09%
No Insurance:13412.65%
Total:1,059100%
Has Health Insurance:92587.35%
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)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty7.4%13.1%19.7%13.0%13.3%10.0%9.8%3.5%2.9%9.3%15.0%14.2%15.8%17.5%
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)


Nursery School, Preschool:83.21%
Kindergarten:239.24%
Elementary school (grades 1-8):12751.00%
High school (grades 9-12):5522.09%
College or graduate school:3614.46%
Total:249100%
Early Childhood:3112.45%
K-12 (Primary & Secondary School):20582.33%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 80623 supports both business and residential activity. According to the Business Census (2024), there are 19 business establishments, employing about 91 people with an annual payroll of $7,807,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:433Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:19Source: CBP
1st Quarter Payroll:$1,983,000Source: CBP
Annual Payroll:$7,807,000Source: CBP
# of Employees:91Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 80623 is located in Weld County, Colorado, within the Greeley, CO Metropolitan Statistical Area (CBSA 24540) and Colorado's 8th Congressional District. This Metro area has a population of 252,825 people, about 0.40% of whom live in ZIP Code 80623. It covers 0.67 sq mi of land and a water area of 0 sq mi.

CBSA Name:Greeley, COSource: Census
CBSA Number:24540Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:252,825Source: Census
MSA:Denver-Boulder-Greeley, CO CMSASource: Census
Land Area:0.67 sq miSource: Census
Water Area:--Source: Census
Congressional District:08Source: USPS
Congressional Land Area:0 sq miSource: Census
PMSA:Greeley, CO PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0829955Source: Census
Place Name:Gilcrest town; ColoradoSource: Census

Adjacent & Nearby ZIP Codes


80624 | | 80622

Schools in ZIP Code 80623


ZIP Code 80623 is in the Weld County School District RE-1, which serves grades Pre-Kindergarten thru 12th. There are 3 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Valley High School 1001 Birch Street
Gilcrest, CO 80623
District: Weld County School District RE-1
Gilcrest Elementary School 1175 Birch Street
Gilcrest, CO 80623
District: Weld County School District RE-1
North Valley Middle School 1175 Birch Street
Gilcrest, CO 80623
District: Weld County School District RE-1
Trinity Lutheran School 3000 35th Ave
Greeley, CO 80634
District: Private SchoolNearby
Dayspring Christian Academy 3734 W 20th St
Greeley, CO 80634
District: Private SchoolNearby
St Mary Catholic School 2351 22nd Ave
Greeley, CO 80631
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 80623


Aims Community College 5401 W. 20th St.
Greeley, CO 80634
Type: Post Secondary
University Of Northern Colorado Carter Hall - Rm 4000
Greeley, CO 80639
Type: Post Secondary
Academy Of Natural Therapy Inc 625 8th Ave
Greeley, CO 80631-9441
Type: Post Secondary
Cheeks Beauty Academy 5010 Granite Street
Loveland, CO 80538
Type: Post Secondary
Ibmc College 3842 South Mason Street
Fort Collins, CO 80525
Type: Post Secondary
Tuana European Beauty Academy 826 S College Ave
Fort Collins, CO 80524
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 February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], 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 2011-2024 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: 2/1/2026], https://nces.ed.gov