LaGrange County's 2026 population is estimated at 41,408, reflecting a 0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). LaGrange County is the 37th largest county in Indiana. The 2010 population was 37,159 and has grown 11.43% since 2010.
Data after 2023 is projected based on recent change
Overall: 32.7 years
Female: 34 years
Male: 31.4 years
There are 27,853 adults, (5,945 of whom are seniors) in LaGrange County.
Female: 20,004 (49%)
Male: 20,801 (51%)
The racial composition of LaGrange County includes 94.16% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 38,423 | 94.16% |
| Two or more races | 1,742 | 4.27% |
| Other race | 410 | 1% |
| Black or African American | 145 | 0.36% |
| Native American | 54 | 0.13% |
| Asian | 28 | 0.07% |
| Native Hawaiian or Pacific Islander | 3 | 0.01% |
LaGrange County 's average per capita income is $51,301. Household income levels show a median of $84,487. The poverty rate stands at 5.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $98,196 | - |
| Families | $92,331 | $112,754 |
| Households | $84,487 | $103,708 |
| Non Families | $42,411 | $64,093 |
Average Income
Median Household Income
Poverty Rate