Porter County's 2026 population is estimated at 177,002, reflecting a 0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Porter County is the 10th largest county in Indiana. The 2010 population was 164,492 and has grown 7.61% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.8 years
Female: 41.6 years
Male: 40 years
There are 137,497 adults, (31,953 of whom are seniors) in Porter County.
Female: 88,268 (50.5%)
Male: 86,550 (49.5%)
The racial composition of Porter County includes 83.68% White, 4.47% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 146,281 | 83.68% |
| Two or more races | 13,350 | 7.64% |
| Black or African American | 7,813 | 4.47% |
| Other race | 4,564 | 2.61% |
| Asian | 2,597 | 1.49% |
| Native American | 202 | 0.12% |
| Native Hawaiian or Pacific Islander | 11 | 0.01% |
Porter County 's average per capita income is $55,430. Household income levels show a median of $87,972. The poverty rate stands at 9.58%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $115,313 | $142,471 |
| Families | $105,644 | $127,253 |
| Households | $87,972 | $110,512 |
| Non Families | $49,168 | $71,307 |
Average Income
Median Household Income
Poverty Rate