Census-designated place · Colorado
Four Square Mile, Colorado
Four Square Mile, census-designated place, in Arapahoe County, Colorado. Four Square Mile had 23,024 people in the ACS 2020-2024 5-year estimates (±1,613). GEOID 0827950.
Residents, 2020-2024
23,024
±1,613 (90% margin)
2020 Census count: 22,872
Median household income
$80,903
±$4,372 (90% margin)
Colorado: $95,470
Median home value
$474,200
±$25,733 (90% margin)
Colorado: $539,400
Median gross rent
$1,833
±$56 (90% margin)
Colorado: $1,761
Where is Four Square Mile and what county is it in?
Four Square Mile is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Arapahoe County, Colorado. It covers 2.7 square miles of land, 8,465 residents per square mile in 2020.
Four Square Mile is in the Denver-Aurora-Centennial, CO metropolitan statistical area, which takes in 10 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Four Square Mile, and is it growing?
The 2020-2024 American Community Survey puts Four Square Mile's population at 23,024 (±1,613). The 2020 Census counted 22,872 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Four Square Mile is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Four Square Mile | Arapahoe County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 23,024 ±1,613 | 659,844 | – |
| Households | 10,138 ±570 | 257,232 | – |
| Average household size | 2.27 ±0.12 | 2.55 | – |
| Housing units | 10,834 ±521 | 269,345 | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Four Square Mile?
The median resident of Four Square Mile is 31.2 years old; 21.8% are under 18 and 7.5% are 65 or older. The largest group is non-Hispanic white residents at 47.1%, then Hispanic or Latino residents (of any race) at 21.1%. 26.2% of residents were born outside the United States.
| Measure | Four Square Mile | Arapahoe County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 31.2 ±1.2 | 37.3 | – |
| Under 18 years | 21.8% ±2.8 pts | 22.6% | – |
| 65 years and over | 7.5% ±1.5 pts | 14.4% | – |
| Male | 48.0% ±2.8 pts | 49.9% | – |
| Hispanic or Latino (any race) | 21.1% ±4.0 pts | 21.7% | – |
| White alone, not Hispanic | 47.1% ±4.9 pts | 55.2% | – |
| Black or African American alone, not Hispanic | 19.0% ±3.9 pts | 10.5% | – |
| Asian alone, not Hispanic | 4.7% ±1.8 pts | 6.0% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.3 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.2 pts | 0.3% | – |
| Two or more races, not Hispanic | 7.3% ±3.1 pts | 5.5% | – |
| Some other race alone, not Hispanic | 0.3% ±0.4 pts | 0.5% | – |
| Born outside the United States | 26.2% ±4.1 pts | 16.5% | – |
| Speak a language other than English at home (age 5+) | 32.4% ±4.3 pts | 23.4% | – |
| Civilian veterans (age 18+) | 2.8% ±1.1 pts | 6.7% | – |
| With a disability | 12.1% ±2.3 pts | 10.9% | – |
| No health insurance coverage | 10.0% ±2.8 pts | 9.3% | – |
| High school graduate or higher (age 25+) | 94.0% ±1.9 pts | 91.9% | – |
| Bachelor's degree or higher (age 25+) | 47.0% ±4.5 pts | 46.5% | – |
| Graduate or professional degree (age 25+) | 18.6% ±3.0 pts | 18.0% | – |
| Lived in the same house a year earlier | 72.0% ±5.4 pts | 84.3% | – |
| Moved from another state in the past year | 4.5% ±2.2 pts | 2.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Four Square Mile earn?
Half of Four Square Mile's 10,138 households earn less than $80,903 a year (±$4,372), against $101,087 in Arapahoe County and $95,470 in Colorado. 14.8% of residents live below the poverty line.
| Measure | Four Square Mile | Arapahoe County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $80,903 ±$4,372 | $101,087 | – |
| Mean household income | $99,835 ±$7,288 | $136,289 | – |
| Per capita income | $44,926 ±$3,258 | $53,774 | – |
| People below the poverty line | 14.8% ±3.7 pts | 8.6% | – |
| Children under 18 below the poverty line | 15.7% ±6.9 pts | 11.9% | – |
| Households receiving SNAP | 13.6% ±2.8 pts | 7.7% | – |
| Households with a computer | 97.8% ±1.1 pts | 97.9% | – |
| Households with a broadband subscription | 94.4% ±2.0 pts | 94.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Four Square Mile?
Owners occupy 26.4% of Four Square Mile's occupied homes and renters 73.6%. The median owner-occupied home is valued at $474,200 by its owner (±$25,733). The median renter pays $1,833 a month including utilities, and 39.4% of renters pay 35% or more of their income on rent.
| Measure | Four Square Mile | Arapahoe County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $474,200 ±$25,733 | $561,200 | – |
| Median gross rent | $1,833 ±$56 | $1,891 | – |
| Renters paying 35% or more of income on rent | 39.4% ±6.1 pts | 45.4% | – |
| Median monthly owner costs, with a mortgage | $1,933 ±$162 | $2,423 | – |
| Owner-occupied homes | 26.4% ±3.1 pts | 64.7% | – |
| Renter-occupied homes | 73.6% ±3.1 pts | 35.3% | – |
| Housing units | 10,834 ±521 | 269,345 | – |
| Homeowner vacancy rate | 1.8% ±2.2 pts | 0.6% | – |
| Rental vacancy rate | 3.8% ±2.1 pts | 5.5% | – |
| Single-family detached homes | 13.7% ±2.4 pts | 56.1% | – |
| Mobile homes | 0.3% ±0.5 pts | 0.7% | – |
| Built 2020 or later | 0.8% ±0.7 pts | 2.3% | – |
| Built 2010 to 2019 | 14.2% ±3.2 pts | 10.0% | – |
| Built 1939 or earlier | 1.0% ±0.8 pts | 1.7% | – |
| Households with no vehicle | 11.8% ±3.3 pts | 5.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Four Square Mile work and get to work?
64.7% of Four Square Mile's workers drive alone and 21.8% work from home. The average trip to work takes 25.4 minutes. The unemployment rate in 2020-2024 averaged 3.9%.
| Measure | Four Square Mile | Arapahoe County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 77.5% ±2.9 pts | 71.7% | – |
| Unemployment rate | 3.9% ±1.6 pts | 5.0% | – |
| Drove alone to work | 64.7% ±4.6 pts | 65.5% | – |
| Carpooled | 8.4% ±3.5 pts | 7.7% | – |
| Public transportation | 2.9% ±1.3 pts | 2.5% | – |
| Walked | 1.7% ±1.0 pts | 1.4% | – |
| Worked from home | 21.8% ±3.8 pts | 21.0% | – |
| Mean travel time to work | 25.4 min ±1.7 | 27.1 min | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Four Square Mile?
6 census tracts lie mostly in Four Square Mile (2020 census blocks). Their median household incomes run from $65,924 (Tract 869) to $98,107 (Tract 872).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 872Arapahoe County | 5,075 | $98,107 |
| Tract 873.01Arapahoe County | 4,622 | $75,275 |
| Tract 868.01Arapahoe County | 3,801 | $77,243 |
| Tract 868.02Arapahoe County | 3,184 | $77,237 |
| Tract 873.02Arapahoe County | 2,632 | not published |
| Tract 869Arapahoe County | 3,710 | $65,924 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Four Square Mile) · Census block assignment files
How does Four Square Mile compare with other places in Colorado?
Four Square Mile ranks 135th of 218 places in Colorado with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 35th | 220 |
| Residents per square mile | 2nd | 221 |
| Median household income | 135th | 218 |
| Per capita income | 114th | 220 |
| Median home value | 118th | 217 |
| Median gross rent | 70th | 200 |
| Poverty rate | 44th | 151 |
| Bachelor's degree or higher | 89th | 216 |
| Median age | 201st | 220 |
| Owner-occupied share | 215th | 218 |
| Work from home | 77th | 176 |
| Travel time to work | 105th | 221 |
Four Square Mile's figures with every place in Colorado (CSV)
Every place in Colorado, sortable · Compare Four Square Mile with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Four Square Mile?
7 of the 57 figures for Four Square Mile on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Four Square Mile are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.