Franklin is a village in Morgan County, Illinois, home to about 650 people across 0.8 square miles. Its ZIP code is 62638.
Homes sold for a median of $61 per square foot in the three months ending August 2026.
Each card is that ZIP code’s whole market, including any part outside Franklin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Franklin’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)62 miles away |
|---|---|
| Closer regional airport | Abraham Lincoln Capital Airport (SPI)27 miles away |
| Nearest city of 250,000+ | St. Louis, MO69 miles away |
| Nearest city of 1 million+ | Chicago, IL198 miles away |
Straight-line distances from the center of Franklin; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Franklin had 610 residents in the 2020 census, up 4% since 2000.
It’s the 847th largest of 1,450 towns in Illinois by population.
Morgan County grew from 35,006 residents in 1900 to 32,915 in 2020.
Morgan County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 18°F. About 39.3 inches of rain and melted snow fall in a typical year, with about 16 inches of snow.
Source: NOAA 1991–2020 climate normals, Jacksonville 2e, IL weather station (10 miles away).
12,835 jobs at 759 businesses in Morgan County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Franklin.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|
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.
Public schools here are run by Franklin CUSD 1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Franklin East Grade SchoolFranklin | Pre-K–2 | 80 | Public | 2.4 mi |
| Franklin Elementary SchoolFranklin | 3–5 | 47 | Public | 2.2 mi |
| Franklin Jr/Sr High SchoolFranklin | 6–12 | 157 | Public | 2.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public 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.