Oldham County's 2026 population is estimated at 70,959, reflecting a 0.31% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Oldham County is the 11th largest county in Kentucky. The 2010 population was 60,441 and has grown 17.4% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.9 years
Female: 40 years
Male: 39.8 years
There are 52,122 adults, (10,096 of whom are seniors) in Oldham County.
Female: 33,086 (47.8%)
Male: 36,171 (52.2%)
The racial composition of Oldham County includes 86.56% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 59,951 | 86.56% |
| Two or more races | 4,798 | 6.93% |
| Black or African American | 2,042 | 2.95% |
| Other race | 1,207 | 1.74% |
| Asian | 1,162 | 1.68% |
| Native American | 97 | 0.14% |
Oldham County 's average per capita income is $69,072. Household income levels show a median of $122,497. The poverty rate stands at 4.3%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $157,940 | - |
| Families | $138,699 | $181,759 |
| Households | $122,497 | $162,241 |
| Non Families | $51,068 | $66,295 |
Average Income
Median Household Income
Poverty Rate