Four Square Mile CDP, Colorado Demographics & Population 2026

Population Overview

Four Square Mile CDP is a small city located in Colorado. The total population is 21,788. It ranks as the 36th most populous out of 471 cities and towns in Colorado.

Age Demographics

The median age in Four Square Mile CDP is 31.7 years. This is 15% lower than the state median of 37.5 years.

Economy, Income & Housing

The median household income in Four Square Mile CDP is $73,318. This is 21% lower than the state median of $92,470. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 15.2%. This is 62% higher than the state poverty rate of 9.4%. The unemployment rate is 3.3%. This is 28% lower than the state rate of 4.5%. The median home value is $448,200. Housing costs are 11% lower than the state median of $502,200. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 24.7% of occupied housing units are owner-occupied. This homeownership rate is 63% lower than the state average of 66.3%.

Race & Ethnicity

The largest racial or ethnic group in Four Square Mile CDP is White (non-Hispanic), making up 49.2% of the population. Black or African American residents account for 20.2%. The Black or African American population is significantly higher than the state average (20.2% vs 3.8%).

Education

45.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 1% higher than the state rate of 44.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.6%. Notably, 18.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Four Square Mile CDP, Colorado is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Colorado state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 471 Census-designated places in Colorado. For official data, visit data.census.gov.