Union Township (Mifflin County) is a township in Mifflin County, Pennsylvania, home to about 3,670 people across 25 square miles. Its ZIP code is 17004.
Homes sold for a median of $162 per square foot in the three months ending August 2026, a seller’s market.
Population3,670144 per sq mi
Median home value$190,100Census, as estimated by owners
Price per sq ft$162Sold homes, 3 months to August 2026
Mostly Union Township (Mifflin County); also Menno and Brown
Each card is that ZIP code’s whole market, including any part outside Union Township (Mifflin County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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We’re writing up Union Township (Mifflin County)’s story and what everyday life there is like, for people thinking about moving in.
History
What it’s like to live there
Getting around
Things to do
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Around Union Township (Mifflin County)
Distances
Nearest major airport
Baltimore/Washington International Thurgood Marshall Airport (BWI)114 miles away
Closer regional airport
State College Regional Airport (SCE)18 miles away
Nearest city of 250,000+
Baltimore, MD108 miles away
Nearest city of 1 million+
Philadelphia, PA143 miles away
Straight-line distances from the center of Union Township (Mifflin County); driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Who represents Union Township (Mifflin County)
U.S. Representative · Pennsylvania’s 13th DistrictJohn Joyce (R)
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Union Township (Mifflin County) had 3,653 residents in the 2020 census, up 10% since 2000.
It’s the 771st largest of 2,568 towns in Pennsylvania by population.
Mifflin County grew from 23,160 residents in 1900 to 46,143 in 2020.
Mifflin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 85°F in summer, and winter lows average 21°F. About 42.3 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Lewistown, PA weather station (9 miles away).
Jobs in Mifflin County
14,987 jobs at 1,015 businesses in Mifflin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
17 doctors and other health care providers list an office in Union Township (Mifflin County).
Nearest hospitals
Geisinger-Lewistown HospitalGeneral hospital · emergency room · CMS rating 5 of 5 · Lewistown8.4 miles
Penn Highlands HuntingdonGeneral hospital · emergency room · CMS rating 3 of 5 · Huntingdon16.3 miles
Mount Nittany Medical CenterGeneral hospital · emergency room · CMS rating 5 of 5 · State College16.5 miles
Providers with an office here
Primary care doctors
4
Dentists
1
Nurse practitioners and physician assistants
2
Physical and occupational therapists
7
Optometrists
1
Chiropractors
2
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Places in and around Union Township (Mifflin County)
Parks (2 nearby)
Greenwood Furnace State Park · 417 acres3.4 mi
Union Township Park · 13 acres0.8 mi
Grocery stores (2 nearby)
Sharp Shopper Grocery Outlet1.3 mi
Peight's Country Store1.8 mi
Libraries (1 nearby)
Kishacoquillas Branch Library0.9 mi
Museums
Kishacoquillas Valley Historical Society6.2 mi
Counts are within about 3.5 miles of the center of town.
Source: U.S. Department of Education, NCES: Common Core of Data for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.