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Mifflin County, Pennsylvania

Mifflin County profile, demographic data, and geographic information.

Mifflin County is a county located in Pennsylvania, United States of America. As of official census estimates, it has a reported population of 46,127. The land area covers 411.04 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Mifflin County
Official Title: Chairman
Address: PO BOX 396, MILROY PA 17063-0396

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 46,127 — 2025 / Census
Median Age 43.4 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 18,510 ±399 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 21,468 ±52
Occupied Housing Units 18,510 ±399
Vacant Housing Units 2,958 ±390
Median Home Value $156,700 ±$4,766
Median Gross Rent $822 ±$47
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $63,953 ±$3,171
Per Capita Income $31,620 ±$1,136
Poverty Rate 16.2% ±2.4%
Population Below Poverty Level 7,360 ±1,075
Unemployment Rate 2.7% ±0.8%
Civilian Labor Force, Employed 21,290 ±540
Broadband Internet Rate 82.9% ±2%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LEWISTOWN, PA US, located 4.5 miles from Mifflin County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.0° 21.0° 29.0° 2.89" 9.1"
February 40.4° 22.3° 31.4° 2.31" 6.9"
March 49.4° 29.2° 39.3° 3.57" 4.3"
April 62.6° 39.0° 50.8° 3.53" 0.2"
May 72.8° 49.1° 60.9° 4.16" 0.0"
June 80.7° 58.3° 69.5° 3.95" 0.0"
July 85.3° 62.6° 74.0° 3.64" 0.0"
August 83.6° 61.1° 72.4° 3.61" 0.0"
September 76.8° 53.8° 65.3° 4.40" 0.0"
October 65.0° 42.5° 53.7° 3.75" 0.1"
November 52.6° 33.0° 42.8° 3.06" 0.9"
December 41.4° 26.3° 33.9° 3.27" 4.7"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 42087. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.