Sac County's 2026 population is estimated at 9,273, reflecting a -1.38% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sac County is the 79th largest county in Iowa. The 2010 population was 10,355 and has grown -10.45% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.2 years
Female: 46.8 years
Male: 45.1 years
There are 7,584 adults, (2,351 of whom are seniors) in Sac County.
Female: 4,779 (49.3%)
Male: 4,910 (50.7%)
The racial composition of Sac County includes 92.7% White, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,982 | 92.7% |
| Two or more races | 376 | 3.88% |
| Other race | 194 | 2% |
| Asian | 63 | 0.65% |
| Black or African American | 49 | 0.51% |
| Native Hawaiian or Pacific Islander | 17 | 0.18% |
| Native American | 8 | 0.08% |
Sac County 's average per capita income is $46,351. Household income levels show a median of $73,838. The poverty rate stands at 9.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,311 | - |
| Families | $92,672 | $105,281 |
| Households | $73,838 | $88,368 |
| Non Families | $40,862 | $57,725 |
Average Income
Median Household Income
Poverty Rate
