Tama County's 2026 population is estimated at 16,640, reflecting a -0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Tama County is the 44th largest county in Iowa. The 2010 population was 17,718 and has grown -6.08% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.5 years
Female: 42.5 years
Male: 40.6 years
There are 12,865 adults, (3,537 of whom are seniors) in Tama County.
Female: 8,383 (49.7%)
Male: 8,485 (50.3%)
The racial composition of Tama County includes 79.79% White, 6.1% Native American, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,459 | 79.79% |
| Two or more races | 1,691 | 10.02% |
| Native American | 1,029 | 6.1% |
| Other race | 360 | 2.13% |
| Black or African American | 207 | 1.23% |
| Asian | 116 | 0.69% |
| Native Hawaiian or Pacific Islander | 6 | 0.04% |
Tama County 's average per capita income is $48,447. Household income levels show a median of $70,781. The poverty rate stands at 14.8%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,876 | $108,281 |
| Families | $83,354 | $95,129 |
| Households | $70,781 | $83,931 |
| Non Families | $38,868 | $52,626 |
Average Income
Median Household Income
Poverty Rate