Mind-boggled by Colorado Demographics?

Get the Colorado demographic data that you need. You can get the most current Colorado data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

The Colorado population is 5,812,069 people according to the US Census Bureau's 2021 Population Estimates Program.
The Colorado median household income in the past 12 months is $75,231 in 2020 inflation-adjusted dollars according to the US Census Bureau's 2020 American Community Survey.
Colorado has 2,361,372 housing units according to the US Census Bureau's 2020 American Community Survey.

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Most Popular data — like population, income & age
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How Current are the Data?

The Colorado demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2020 datasets – specifically the 2020 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.

It’s updated every year.
It typically has the smallest margins of error of the Census’ ACS datasets.
It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these Colorado demographics? Call us at 1-800-939-2130.

Colorado Counties by Population

1	El Paso County	737,867
2	Denver County	711,463
3	Arapahoe County	654,900
4	Jefferson County	579,581
5	Adams County	522,140
6	Douglas County	368,990
7	Larimer County	362,533
8	Weld County	340,036
9	Boulder County	329,543
10	Pueblo County	169,622

See all Colorado Counties by Population

Colorado Cities by Population

1	Denver	711,463
2	Colorado Springs	483,956
3	Aurora	389,347
4	Fort Collins	168,538
5	Lakewood	156,605
6	Thornton	142,610
7	Arvada	123,436
8	Westminster	114,561
9	Pueblo	112,368
10	Greeley	109,323