County · Pennsylvania

Mifflin County, Pennsylvania

Mifflin County, Pennsylvania. Mifflin County had 46,127 residents in 2025 by the Census Bureau's estimate, about level with 2020, in line with Pennsylvania (+0.4%). It holds 36 places (6 cities, villages and boroughs, 10 towns and townships and 20 census-designated) and 13 census tracts. GEOID 42087.

Mifflin County is the county of the Lewistown, PA micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

46,127

Census Bureau estimate (no margin published)
2020 Census count: 46,143 · ACS 2020-2024: 46,041

Median household income

$63,953

±$3,171 (90% margin)
Pennsylvania: $77,971

Median home value

$156,700

±$4,766 (90% margin)
Pennsylvania: $254,500

Median gross rent

$822

±$47 (90% margin)
Pennsylvania: $1,209

How many people live in Mifflin County, and is it growing?

The 2020 Census counted 46,143 residents in Mifflin County. The Census Bureau estimates 46,127 for July 1, 2025, about level with 2020, in line with Pennsylvania (+0.4%). The 2020-2024 American Community Survey puts the population at 46,041 over 411 square miles of land.

July 2020→2021 +44 (46,188)
2021→2022 −195 (45,993)
2022→2023 −17 (45,976)
2023→2024 +47 (46,023)
2024→2025 +104 (46,127)

Mifflin County in Pennsylvania. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Mifflin County	Pennsylvania	Change since 2015-2019
Total population	46,041	13,018,639	−235
Households	18,510±399	5,274,853	−533
Average household size	2.45±0.05	2.39	no clear change
Housing units	21,468±52	5,806,452	−386

Mifflin County's population since 2000

From 46,486 in 2000 to 46,127 in 2025: down 0.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 46,486
2005 (estimate) 46,377
2010 Census 46,682
2015 (estimate) 46,435
2020 Census 46,143
2025 (estimate) 46,127

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Mifflin County?

Mifflin County holds 36 places: 6 cities, villages and boroughs (incorporated places), 10 towns and townships (county subdivisions with their own government) and 20 census-designated places. The largest is Lewistown with 8,385 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Mifflin County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Lewistown	borough	8,579	8,479±19	$40,236	$98,500	35.7%	100%
Derry Township, Mifflin County	township	7,212	7,238±17	$69,070	$156,100	6.6%	100%
Granville Township, Mifflin County	township	4,629	4,597±17	$76,250	$160,000	6.4%	100%
Brown Township, Mifflin County	township	4,112	4,150±23	$79,821	$197,600	16.9%	100%
Armagh Township	township	4,018	4,028±18	$74,278	$140,800	21.2%	100%
Union Township, Mifflin County	township	3,653	3,670±25	$64,615	$190,100	9.7%	100%
Decatur Township, Mifflin County	township	2,968	2,942±30	$61,302	$164,100	19.3%	100%
Wayne Township, Mifflin County	township	2,360	2,316±251	$69,250	$161,500	8.4%	100%
Oliver Township, Mifflin County	township	2,061	2,041±320	$62,895	$195,500	8.3%	100%
Burnham	borough	1,991	1,744±240	$67,656	$141,200	8.6%	100%
Menno Township	township	1,974	2,062±339	$72,639	$238,000	19.0%	100%
Belleville	CDP	1,947	1,951±339	$65,677	$179,900	8.1%	100%
Church Hill	CDP	1,711	1,673±366	$78,500	$203,000	11.9%	100%
Milroy	CDP	1,550	1,577±491	$76,492	$130,200	24.3%	100%
Highland Park	CDP	1,317	1,177±325	$72,250	$167,100	4.2%	100%
Bratton Township	township	1,191	1,375±267	$63,375	$159,300	8.5%	100%
YeagertownGEOID 4286976	CDP	1,002	1,165±483	$62,341	$66,100	2.3%	100%
Strodes MillsGEOID 4274848	CDP	698	836±362	$88,333	$148,500	9.8%	100%
ReedsvilleGEOID 4263976	CDP	579	872±463	$124,432	$66,400	0.0%	100%
Juniata Terrace	borough	564	528±155	$52,500	$70,000	16.9%	100%
Allensville	CDP	479	389±135	$69,000	$168,100	8.7%	100%
GranvilleGEOID 4230472	CDP	424	395±218	$75,710	not published	0.0%	100%
McVeytown	borough	344	363±104	$69,205	$127,500	5.5%	100%
MaitlandGEOID 4246728	CDP	323	253±180	$77,564	$118,600	0.0%	100%
Kistler	borough	291	279±73	$61,250	$98,000	11.1%	100%
Lumber CityGEOID 4245452	CDP	252	75±63	not published	$89,600	0.0%	100%
Newton HamiltonGEOID 4254160	borough	196	229±100	$68,125	$61,000	10.9%	100%
MattawanaGEOID 4248072	CDP	193	334±163	$79,583	$210,000	0.9%	100%
LongfellowGEOID 4244528	CDP	183	110±37	$64,063	$116,100	11.8%	100%
BarrvilleGEOID 4204344	CDP	179	322±301	not published	$209,200	0.0%	100%
Potlicker FlatsGEOID 4262340	CDP	174	44±37	$78,182	$130,700	0.0%	100%
Cedar CrestGEOID 4211836	CDP	157	111±81	$27,321	$113,500	70.3%	100%
AlfarataGEOID 4200764	CDP	154	148±120	$87,083	$157,200	0.0%	100%
Atkinson MillsGEOID 4203424	CDP	152	181±98	$77,188	$164,700	8.8%	100%
WagnerGEOID 4280432	CDP	110	58±47	$86,667	$115,600	0.0%	100%
SiglervilleGEOID 4270664	CDP	98	191±150	$120,341	$320,500	0.0%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Mifflin County?

The median resident of Mifflin County is 43.4 years old; 22.6% are under 18 and 22.0% are 65 or older. The largest group is non-Hispanic white residents at 93.3%, then non-Hispanic residents of two or more races at 2.9%. 1.2% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Mifflin County	Pennsylvania	Change since 2015-2019
Median age	43.4±0.4	40.9	−0.6
Under 18 years	22.6%±0.2 pts	20.4%	–
65 years and over	22.0%±0.1 pts	19.5%	–
Hispanic or Latino (any race)	2.3%	8.7%	+0.7 pts
White alone, not Hispanic	93.3%±0.8 pts	73.0%	−2.6 pts
Black or African American alone, not Hispanic	1.0%±0.2 pts	10.3%	+0.5 pts
Asian alone, not Hispanic	0.3%±0.2 pts	3.8%	–
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.1%±0.1 pts	0.0%	–
Two or more races, not Hispanic	2.9%±0.8 pts	3.6%	–
Some other race alone, not Hispanic	0.1%±0.1 pts	0.5%	–
Born outside the United States	1.2%±0.4 pts	7.7%	no clear change
Speak a language other than English at home (age 5+)	10.0%±2.0 pts	12.4%	–
Civilian veterans (age 18+)	8.0%±0.9 pts	6.1%	–
With a disability	15.1%±1.2 pts	14.4%	–
No health insurance coverage	12.8%±2.1 pts	5.6%	no clear change
High school graduate or higher (age 25+)	84.6%±1.6 pts	92.1%	–
Bachelor's degree or higher (age 25+)	14.9%±1.8 pts	35.2%	+3.0 pts
Graduate or professional degree (age 25+)	5.5%±1.1 pts	14.3%	–
Moved from another state in the past year	0.4%±0.2 pts	1.9%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Mifflin County earn?

Half of Mifflin County's 18,510 households earn less than $63,953 a year (±$3,171), against $77,971 in Pennsylvania. In 2015-2019 it was $61,804 in 2024 dollars; the margins of error cannot tell the two periods apart. 16.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Mifflin County	Pennsylvania	Change since 2015-2019
Median household income	$63,953±$3,171	$77,971	no clear change
Mean household income	$76,786±$2,917	$107,538	–
Per capita income	$31,620±$1,136	$44,355	no clear change
People below the poverty line	16.2%±2.4 pts	11.7%	no clear change
Children under 18 below the poverty line	28.9%±6.0 pts	15.6%	+7.6 pts
Households receiving SNAP	17.0%±1.8 pts	14.4%	–
Households with a broadband subscription	82.9%±2.0 pts	89.7%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Mifflin County?

Owners occupy 71.1% of Mifflin County's occupied homes and renters 28.9%. The median owner-occupied home is valued at $156,700 by its owner (±$4,766). The median renter pays $822 a month including utilities, and 29.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Mifflin County	Pennsylvania	Change since 2015-2019
Median home value (owner-occupied)	$156,700±$4,766	$254,500	+$11,601
Median gross rent	$822±$47	$1,209	no clear change
Renters paying 35% or more of income on rent	29.8%±4.5 pts	39.5%	no clear change
Median monthly owner costs, with a mortgage	$1,225±$35	$1,762	–
Owner-occupied homes	71.1%±2.1 pts	69.3%	no clear change
Housing units	21,468±52	5,806,452	−386
Homeowner vacancy rate	1.1%±0.7 pts	0.8%	–
Rental vacancy rate	3.2%±2.1 pts	4.9%	–
Single-family detached homes	70.3%±2.0 pts	56.6%	–
Mobile homes	8.2%±1.5 pts	3.5%	–
Built 2020 or later	0.6%±0.3 pts	1.0%	–
Built 1939 or earlier	30.3%±1.8 pts	25.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Mifflin County building?

Builders took permits for 54 new housing units across Mifflin County in 2025 (54 single-family), 1.2 per 1,000 residents.

2019 66 units
2020 87 units
2021 91 units
2022 91 units
2023 59 units
2024 63 units
2025 54 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Mifflin County get to work?

79.4% of Mifflin County's workers drive alone and 6.6% work from home. The average trip to work takes 25.0 minutes. The unemployment rate in 2020-2024 averaged 2.7%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Mifflin County	Pennsylvania	Change since 2015-2019
In the labor force (age 16+)	59.7%±1.3 pts	62.7%	–
Unemployment rate	2.7%±0.8 pts	5.3%	no clear change
Drove alone to work	79.4%±2.2 pts	68.2%	–
Carpooled	11.6%±1.8 pts	7.5%	–
Public transportation	0.2%±0.3 pts	3.6%	–
Walked	1.4%±0.4 pts	3.3%	–
Worked from home	6.6%±1.3 pts	15.6%	+2.3 pts
Mean travel time to work	25.0 min±1.2	26.3 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Mifflin County's census tracts?

Mifflin County is divided into 13 census tracts. Among those with a reliable estimate, median household income runs from $38,135 (Tract 9608) to $79,821 (Tract 9602).

Census tracts of Mifflin County, ACS 2020-2024 5-year estimates; sort by any column

Tract 960142087960100	Milroy (28%)	4,018	4,028±18	$74,278	$140,800	$839	21.2%
Tract 960242087960200	Reedsville (23%)	4,112	4,150±23	$79,821	$197,600	$947	16.9%
Tract 960342087960300	Belleville (25%)	5,627	5,732±337	$65,854	$206,700	$814	13.1%
Tract 960442087960400	Kistler (12%)	2,847	2,824±255	$68,472	$155,200	$1,135	8.8%
Tract 960542087960500	McVeytown (16%)	3,596	3,779±322	$63,384	$179,100	$737	8.1%
Tract 960642087960600	Strodes Mills (6%)	5,193	5,125±151	$74,206	$150,200	$958	7.5%
Tract 960742087960700	Lewistown	2,342	2,204±340	$43,500	$87,700	$758	35.8%
Tract 960842087960800	Lewistown	3,865	4,063±411	$38,135	$110,700	$885	44.2%
Tract 960942087960900	Lewistown	2,372	2,212±327	$41,055	$107,100	$701	20.7%
Tract 961042087961000	Burnham	1,991	1,744±240	$67,656	$141,200	$776	8.6%
Tract 9611.0142087961101	Maitland (9%)	3,413	3,445±324	$62,026	$129,500	$649	10.0%
Tract 9611.0242087961102	Highland Park (35%)	3,799	3,793±325	$69,724	$167,500	$883	3.5%
Tract 961242087961200	Alfarata (7%)	2,968	2,942±30	$61,302	$164,100	$535	19.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Mifflin County compare with Pennsylvania's other counties?

Mifflin County's rank among Pennsylvania's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	47th of 67
Growth 2020-2025	27th of 67
Residents per square mile	38th of 67
Median household income	41st of 67
Median home value	49th of 67
Median gross rent	43rd of 67
Poverty rate	4th of 67
Bachelor's degree or higher	65th of 67
Median age	37th of 67

Every county in Pennsylvania

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Mifflin County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.