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Jefferson

County in Iowa (USA)

Contents: Population

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

JeffersonCounty16,31016,18116,84315,66715,781
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)
Males8,284
Females7,497
Age Groups (E 2024)
0-17 years2,571
18-64 years8,862
65+ years4,348
Age Distribution (E 2024)
80+ years866
70-79 years2,294
60-69 years2,197
50-59 years1,642
40-49 years1,795
30-39 years2,010
20-29 years2,153
10-19 years1,394
0-9 years1,430
Urbanization (C 2020)
Rural6,452
Urban9,211
»Race« (C 2020)
White13,565
Black/African American419
Indigenous55
Asian500
Pacific Islander9
Some other312
2 or more803
Ethnicity (C 2020)
Hispanic or Latino610
Other15,053

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