Polk
County in Iowa (USA)
Contents: Population
The population development of Polk as well as related information and services (Wikipedia, Google, images).
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|
| Polk | County | 327,140 | 374,601 | 430,640 | 492,410 | 505,255 | |
| USA [United States of America] | Federal Republic | 248,709,873 | 281,421,906 | 308,745,538 | 331,464,948 | 334,914,895 |
Source: U.S. Census Bureau.
Explanation: Latest available rebased total population figures are tabulated.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 241,976 |
| Females | 250,425 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 120,746 |
| 18-64 years | 302,251 |
| 65+ years | 69,404 |
| Age Distribution (C 2020) | |
|---|---|
| 80+ years | 15,637 |
| 70-79 years | 29,977 |
| 60-69 years | 51,688 |
| 50-59 years | 59,816 |
| 40-49 years | 61,081 |
| 30-39 years | 72,236 |
| 20-29 years | 68,620 |
| 10-19 years | 67,305 |
| 0-9 years | 66,041 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 22,027 |
| Urban | 470,374 |
| »Race« (C 2020) | |
|---|---|
| White | 373,903 |
| Black/African American | 35,623 |
| Indigenous | 2,274 |
| Asian | 24,510 |
| Pacific Islander | 302 |
| Some other | 19,100 |
| 2 or more | 36,689 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 48,055 |
| Other | 444,346 |