Mifflin County, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 46th-largest in Pennsylvania
The population of Mifflin County, Pennsylvania is 46,074 as of the 2023 American Community Survey, making it the 46th-largest county in Pennsylvania. The median household income is $61,415, the median home value is $142,900, and the median age is 43.1.
The population of Mifflin County has declined 1.5% since 2010 (46,638 → 45,935), a -0.11% annualized rate.
46,074
Population
-0.11%
Annual growth
112
People / sq mi
$61,415
Median Income
$142,900
Median Home Value
Mifflin County covers 411 sq mi of land at 112.1 people per square mile.
About Mifflin County, PA
Mifflin County is a county in Pennsylvania with a population of 46,074. It ranks #46 among counties in Pennsylvania by population. The median age is 43.1, older than the national median. The population is 49.1% male and 50.9% female.
The median household income in Mifflin County is $61,415, below the US median of $74,580. 11.3% of residents live below the federal poverty level. Home values sit at a median of $142,900, with monthly rent averaging $792. The homeownership rate of 71.5% is higher than the national rate of 64.8%.
Educational attainment in Mifflin County reflects 13.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.8 minutes each way.
Mifflin County Population History (2010-2024)
The county of Mifflin County had a population of 46,638 in 2010 and 45,935 in 2024, a -1.5% growth over 14 years. The peak was 46,755 in 2012. Average annual growth rate: -0.11%.
45,935
Population (2024)
46,638
Population (2010)
46,755
Peak (2012)
-0.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 46,638 |
| 2011 | 46,745 |
| 2012 | 46,755 |
| 2013 | 46,636 |
| 2014 | 46,498 |
| 2015 | 46,435 |
| 2016 | 46,289 |
| 2017 | 46,270 |
| 2018 | 46,181 |
| 2019 | 46,090 |
| 2020 | 46,145 |
| 2021 | 46,182 |
| 2022 | 45,993 |
| 2023 | 45,950 |
| 2024 | 45,935 |
Race & Ethnicity
| White | 93.9% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.1% |
Age & Sex
43.1
Median Age
50.9%
Female
49.1%
Male
21.7%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 21.7%
Income & Poverty
| Median household income | $61,415$-14,666 vs state |
| Mean household income | $73,879 |
| Per-capita income | $30,357 |
| Poverty rate | 11.3%+3.2% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 58.0% |
Top Industries by Employment
The largest employment sector in Mifflin County is professional & business services, accounting for 24.6% of workers.
How residents commute
0.2%
Drive alone
1.5%
Carpool
79.6%
Public transit
5.5%
Work from home
24.8 min
Avg commute
Housing
$142,900$-97,600 vs state
Median home value
$792
Median rent
71.5%
Homeownership rate
21,425
Total housing units
86.4%
Occupied
13.6%
Vacant
28.5%
Renter-occupied
Social & access
87.1%
With health insurance
86.0%
With broadband internet
8.8%
Foreign-born
8.2%
Veterans (18+)
15.2%
With a disability
90.6%
Speak language other than English at home
Education
84.4%
High School+
13.2%
Bachelor's+
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County rankings
Frequently Asked Questions
Mifflin County, Pennsylvania has a population of 46,074 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 46th-largest county in Pennsylvania. Population density is 112 people per square mile.
The population of Mifflin County has declined 1.5% since 2010 (46,638 → 45,935), a -0.11% annualized rate.
The median household income in Mifflin County, Pennsylvania is $61,415, with mean (average) household income of $73,879 and per-capita income of $30,357. 11.3% of residents live below the federal poverty level.
In Mifflin County, the largest racial and ethnic groups are White (93.9%), Black or African American (0.7%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mifflin County, Pennsylvania is 43.1 years. Residents are 50.9% female and 49.1% male.
The median home value in Mifflin County is $142,900 and median monthly rent is $792. 71.5% of occupied housing units are owner-occupied. The county has 21,425 total housing units, 13.6% of which are vacant.
The largest employment sector in Mifflin County, Pennsylvania is professional, scientific, and management services, employing 24.6% of workers. The unemployment rate is 2.0%.
Philadelphia is among the largest cities associated with Mifflin County, Pennsylvania, with a population of 1,582,432.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.