Columbia County's 2026 population is estimated at 66,472, reflecting a 0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Columbia County is the 38th largest county in Pennsylvania. The 2010 population was 67,355 and has grown -1.31% since 2010.
Data after 2023 is projected based on recent change
Overall: 41 years
Female: 41.8 years
Male: 40.3 years
There are 53,879 adults, (13,294 of whom are seniors) in Columbia County.
Female: 33,719 (51.6%)
Male: 31,643 (48.4%)
The racial composition of Columbia County includes 91.41% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 59,749 | 91.41% |
| Two or more races | 3,157 | 4.83% |
| Black or African American | 1,184 | 1.81% |
| Other race | 532 | 0.81% |
| Asian | 485 | 0.74% |
| Native American | 134 | 0.21% |
| Native Hawaiian or Pacific Islander | 121 | 0.19% |
Columbia County 's average per capita income is $47,459. Household income levels show a median of $64,644. The poverty rate stands at 13.74%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,769 | $111,692 |
| Families | $84,867 | $99,978 |
| Households | $64,644 | $81,045 |
| Non Families | $36,875 | $48,198 |
Average Income
Median Household Income
Poverty Rate