Mifflin County's estimated 2026 population is 46,231 with a growth rate of 0.23% in the past year according to the most recent United States census data. Mifflin County is the 47th largest county in Pennsylvania. The 2010 population was 46,638 and has seen a growth of -0.87% since that time.
Data after 2023 is projected based on recent change
Overall: 43.4 years
Female: 44 years
Male: 42.9 years
There are 35,613 adults, (10,130 of whom are seniors) in Mifflin County.
Female: 23,436 (50.9%)
Male: 22,605 (49.1%)
The racial composition of Mifflin County includes 93.49% 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 | 43,044 | 93.49% |
| Two or more races | 2,077 | 4.51% |
| Black or African American | 449 | 0.98% |
| Other race | 260 | 0.56% |
| Asian | 146 | 0.32% |
| Native American | 41 | 0.09% |
| Native Hawaiian or Pacific Islander | 24 | 0.05% |
Mifflin County's average per capita income is $43,905. Household income levels show a median of $63,953. The poverty rate stands at 16.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,838 | $97,484 |
| Families | $77,180 | $87,091 |
| Households | $63,953 | $76,786 |
| Non Families | $39,215 | $51,885 |
Average Income
Median Household Income
Poverty Rate