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.

Mifflin County within Pennsylvania · Source: US Census TIGER/Line via us-atlas

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 distinguished by its share of foreign-born residents, 8.8% of the population. Mifflin County is a county in Pennsylvania with a population of 46,074. It ranks #46 among counties in Pennsylvania by population.

Household earnings are middling, with a median of $61,415 — below the US median of $78,538. The poverty rate is 11.3%, below the national 12.4%. Median home value is $142,900, with typical rent around $792.

Mifflin County is among the least college-educated US counties, at 13.2% — below the national 35.0%. Most workers commute: only 5.5% work from home, below the national 14.0%, and the average commute runs about 25 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%.

Mifflin County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

45,935

Population (2024)

46,638

Population (2010)

46,755

Peak (2012)

-0.11%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	46,638	-	-	estimate
2011	46,745	+107	+0.23%	estimate
2012	46,755	+10	+0.02%	estimate
2013	46,636	-119	-0.25%	estimate
2014	46,498	-138	-0.30%	estimate
2015	46,435	-63	-0.14%	estimate
2016	46,289	-146	-0.31%	estimate
2017	46,270	-19	-0.04%	estimate
2018	46,181	-89	-0.19%	estimate
2019	46,090	-91	-0.20%	estimate
2020	46,145	+55	+0.12%	estimate
2021	46,182	+37	+0.08%	estimate
2022	45,993	-189	-0.41%	estimate
2023	45,950	-43	-0.09%	estimate
2024	45,935	-15	-0.03%	estimate

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

Under 5

6.5%

5–9

6.0%

10–14

6.6%

15–19

5.6%

20–24

5.2%

25–34

11.2%

35–44

10.6%

45–54

12.5%

55–59

7.4%

60–64

6.7%

65–74

12.1%

75–84

7.0%

85+

2.6%

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

Professional & business services

24.6%

Manufacturing

21.0%

Construction

9.4%

Retail trade

5.7%

Finance & real estate

5.5%

Public administration

5.3%

Education & health care

5.1%

Arts, entertainment & food

4.7%

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+

Largest cities in Pennsylvania

Philadelphia (1,582,432)Pittsburgh (303,620)Allentown (125,320)Reading (94,836)Erie (94,156)Bethlehem (77,069)Scranton (76,074)Lancaster (57,683)Levittown (50,930)Harrisburg (50,092)All Pennsylvania cities →

Other counties in Pennsylvania

Philadelphia County (1,582,432)Allegheny County (1,240,476)Montgomery County (861,225)Bucks County (645,993)Delaware County (576,195)Lancaster County (555,151)Chester County (540,896)York County (459,312)Berks County (429,989)Lehigh County (375,408)All Pennsylvania counties →

Part of Pennsylvania

Pennsylvania demographic profile All Pennsylvania data →

Metro areas in Pennsylvania

Philadelphia (6,241,882)Pittsburgh (2,443,921)Allentown (866,764)Harrisburg (597,894)Scranton (567,887)Lancaster (555,151)York (459,312)Reading (429,989)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.