Cedar County's 2026 population is estimated at 18,155, reflecting a -0.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cedar County is the 39th largest county in Iowa. The 2010 population was 18,453 and has grown -1.61% since 2010.
Data after 2023 is projected based on recent change
Overall: 44 years
Female: 44.5 years
Male: 43.5 years
There are 14,474 adults, (3,859 of whom are seniors) in Cedar County.
Female: 9,209 (50.2%)
Male: 9,140 (49.8%)
The racial composition of Cedar County includes 93.95% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,238 | 93.95% |
| Two or more races | 840 | 4.58% |
| Asian | 96 | 0.52% |
| Black or African American | 79 | 0.43% |
| Other race | 73 | 0.4% |
| Native American | 13 | 0.07% |
| Native Hawaiian or Pacific Islander | 10 | 0.05% |
Cedar County 's average per capita income is $52,587. Household income levels show a median of $80,602. The poverty rate stands at 7.34%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,522 | - |
| Families | $93,829 | $112,727 |
| Households | $80,602 | $97,864 |
| Non Families | $50,794 | $60,630 |
Average Income
Median Household Income
Poverty Rate