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Jefferson

County in Colorado (USA)

Contents: Population

The population development of Jefferson as well as related information and services (Wikipedia, Google, images).

JeffersonCounty436,550525,395534,543582,944578,533
USA [United States of America]Federal Republic248,709,873281,421,906308,745,538331,515,736340,110,988

Source: U.S. Census Bureau.

Explanation: Latest available rebased total population figures are tabulated.


Further information about the population structure:

Gender (E 2024)
Males291,178
Females287,355
Age Groups (E 2024)
0-17 years102,281
18-64 years367,262
65+ years108,990
Age Distribution (E 2024)
80+ years22,487
70-79 years51,267
60-69 years73,054
50-59 years68,764
40-49 years79,681
30-39 years97,851
20-29 years70,559
10-19 years61,143
0-9 years53,727
Urbanization (C 2020)
Rural41,669
Urban541,241
»Race« (C 2020)
White460,764
Black/African American7,356
Indigenous6,039
Asian18,157
Pacific Islander536
Some other27,086
2 or more62,972
Ethnicity (C 2020)
Hispanic or Latino91,514
Other491,396

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