Dawson is a village in Sangamon County, Illinois, home to about 536 people across 0.8 square miles. Its ZIP code is 62520.
Homes sold for a median of $101 per square foot in the three months ending August 2026.
Each card is that ZIP code’s whole market, including any part outside Dawson. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | St. Louis Lambert International Airport (STL)91 miles away |
|---|---|
| Closer regional airport | Abraham Lincoln Capital Airport (SPI)12 miles away |
| Nearest city of 250,000+ | St. Louis, MO94 miles away |
| Nearest city of 1 million+ | Chicago, IL165 miles away |
Straight-line distances from the center of Dawson; 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.
Dawson had 519 residents in the 2020 census, up 11% since 2000.
It’s the 908th largest of 1,450 towns in Illinois by population.
Sangamon County grew from 71,593 residents in 1900 to 196,343 in 2020.
Sangamon 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 20°F. About 38.2 inches of rain and melted snow fall in a typical year, with about 22 inches of snow.
Source: NOAA 1991–2020 climate normals, Springfield Capital Ap, IL weather station (12 miles away).
80,005 jobs at 4,925 businesses in Sangamon 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 Dawson.
Nearest hospitals
Providers with an office here
| Chiropractors | 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.
Parks (1 nearby)
Grocery stores
Pharmacies
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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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.