Oakdale is a village in Washington County, Illinois, home to about 264 people across 1.6 square miles. Its ZIP code is 62268.
Mostly Oakdale
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| Nearest major airport | St. Louis Lambert International Airport (STL)54 miles away |
|---|---|
| Closer regional airport | Scott AFB/Midamerica Airport (BLV)24 miles away |
| Nearest city of 250,000+ | St. Louis, MO44 miles away |
| Nearest city of 1 million+ | Chicago, IL267 miles away |
Straight-line distances from the center of Oakdale; 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.
Oakdale had 199 residents in the 2020 census, down 7% since 2000.
It’s the 1122nd largest of 1,450 towns in Illinois by population.
Washington County grew from 19,526 residents in 1900 to 13,761 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 22°F. About 45.7 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Sparta 1 W, IL weather station (12 miles away).
6,274 jobs at 364 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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.
Public schools here are run by Oakdale CCSD 1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Oakdale Grade SchoolOakdale | K–8 | 58 | Public | 5.2 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.