Four Square Mile, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Four Square Mile, Colorado is 21,788 as of the 2023 American Community Survey, making it the 36th-largest city in Colorado. The median household income is $73,318, the median home value is $448,200, and the median age is 31.7.
21,788
Population
8064
People / sq mi
$73,318
Median Income
$448,200
Median Home Value
Get Four Square Mile's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Four Square Mile covers 2.7 sq mi of land at 8064 people per square mile.
About Four Square Mile, CO
Homeownership is the standout figure in Four Square Mile: 24.7% of homes are owner-occupied, lower than the national rate. Four Square Mile is a city in Colorado with a population of 21,788. It ranks #36 among cities in Colorado by population.
Household earnings are middling, with a median of $73,318 — below the US median of $78,538. Roughly 10.6% of residents fall below the poverty line, below the national 12.4%. Home values run above average at $448,200, with typical rent around $1,796.
Educational attainment is on the higher side for US cities — 45.2% of adults hold a four-year degree, above the national 35.0%. Remote work is on the higher side at 16.8%, above the national 14.0%, and the average commute runs about 26 minutes each way.
Race & Ethnicity
| White | 53.9% |
| Black or African American | 21.4% |
| Asian | 0.2% |
| Hispanic or Latino (any race) | 2.6% |
| Two or More Races | 0.0% |
Economy & Income
$73,318
Median Household Income
$42,450
Per Capita Income
10.6%
Poverty Rate
2.5%
Unemployment Rate
Housing
$448,200
Median Home Value
$1,796
Median Rent
24.7%
Owner-Occupied
Education
93.6%
High School+
45.2%
Bachelor's+
Commute
2.7%
Drive Alone
69.0%
Public Transit
16.8%
Work From Home
25.6 min
Avg Commute
Community Profile
41.5%
Foreign Born
67.3%
Non-English at Home
2.5%
Veterans
13.1%
With Disability
89.5%
Health Insurance
98.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.5% |
| Finance, Insurance & Real Estate | 13.1% |
| Retail Trade | 10.8% |
| Education, Health Care & Social Services | 8.8% |
| Information | 6.9% |
| Construction | 5.5% |
| Public Administration | 3.9% |
| Arts, Entertainment & Food Services | 3.7% |
| Manufacturing | 3.7% |
| Transportation & Warehousing | 3.3% |
| Agriculture & Mining | 1.1% |
Largest cities in Colorado
Largest counties in Colorado
Part of Colorado
Metro areas in Colorado
City rankings
Frequently Asked Questions
Four Square Mile, Colorado has a population of 21,788 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 36th-largest city in Colorado.
The median household income in Four Square Mile, Colorado is $73,318, with 10.6% of residents living below the federal poverty level.
The median home value in Four Square Mile, Colorado is $448,200, with median monthly rent at $1,796 and a homeownership rate of 24.7%.
The median age in Four Square Mile, Colorado is 31.7 years. The population is 48.0% male and 52.0% female.
Four Square Mile Cdp, CO Climate
Four Square Mile Cdp, CO has an average annual temperature of 10.3°C (51°F) and receives about 412 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.3°C
Avg Temp
412
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 31° | 13 mm |
| February | 1° / 35° | 13 mm |
| March | 5° / 40° | 32 mm |
| April | 9° / 47° | 48 mm |
| May | 14° / 57° | 62 mm |
| June | 20° / 67° | 46 mm |
| July | 23° / 73° | 52 mm |
| August | 22° / 71° | 44 mm |
| September | 17° / 63° | 34 mm |
| October | 11° / 51° | 27 mm |
| November | 4° / 38° | 25 mm |
| December | 0° / 32° | 16 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Four Square Mile Cdp, CO
The most comfortable months to visit Four Square Mile Cdp, CO are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -8°C low). May is usually the wettest month.
Where to stay near Four Square Mile
Visiting or relocating to Four Square Mile, CO? Compare hotels and short-term rentals across the metro — live availability and prices.
Top-rated places to stay near Four Square Mile
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Four Square Mile?
Get relocation and cost-of-living insights for Four Square Mile, CO by email. No spam, unsubscribe anytime.
More from Colorado
Population 713,734
Population 483,099
Population 390,201
Population 169,705
Population 156,309
Full rankings of Colorado cities by population
Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.