Richland County's 2026 population is estimated at 16,867, reflecting a -0.75% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Richland County is the 61st largest county in Wisconsin. The 2010 population was 18,023 and has grown -6.41% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.6 years
Female: 47.3 years
Male: 45.7 years
There are 13,553 adults, (4,294 of whom are seniors) in Richland County.
Female: 8,549 (49.7%)
Male: 8,656 (50.3%)
The racial composition of Richland County includes 92.69% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15,947 | 92.69% |
| Two or more races | 711 | 4.13% |
| Other race | 323 | 1.88% |
| Asian | 158 | 0.92% |
| Black or African American | 55 | 0.32% |
| Native American | 11 | 0.06% |
Richland County 's average per capita income is $44,043. Household income levels show a median of $66,420. The poverty rate stands at 14.54%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,075 | $109,825 |
| Families | $84,375 | $101,869 |
| Households | $66,420 | $84,420 |
| Non Families | $36,736 | $51,973 |
Average Income
Median Household Income
Poverty Rate