Dauphin County's estimated 2026 population is 293,785 with a growth rate of 0.15% in the past year according to the most recent United States census data. Dauphin County is the 14th largest county in Pennsylvania. The 2010 population was 268,289 and has seen a growth of 9.5% since that time.
Data after 2023 is projected based on recent change
Overall: 39.4 years
Female: 40.4 years
Male: 38 years
There are 224,875 adults, (52,221 of whom are seniors) in Dauphin County.
Female: 148,133 (51.2%)
Male: 141,460 (48.8%)
The racial composition of Dauphin County includes 63.04% White, 17.22% Black or African American, 6.54% Asian, 4.74% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 182,570 | 63.04% |
| Black or African American | 49,862 | 17.22% |
| Two or more races | 23,616 | 8.15% |
| Asian | 18,938 | 6.54% |
| Other race | 13,718 | 4.74% |
| Native American | 832 | 0.29% |
| Native Hawaiian or Pacific Islander | 57 | 0.02% |
Dauphin County's average per capita income is $52,275. Household income levels show a median of $76,242. The poverty rate stands at 12.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $118,059 | $145,274 |
| Families | $97,550 | $124,259 |
| Households | $76,242 | $101,339 |
| Non Families | $48,171 | $62,176 |
Average Income
Median Household Income
Poverty Rate