Gilliam is a city in Saline County, Missouri, home to about 324 people across 0.3 square miles. Its ZIP code is 65330.
Mostly Gilliam
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| Nearest major airport | Kansas City International Airport (MCI)92 miles away |
|---|---|
| Closer regional airport | Columbia Regional Airport (COU)51 miles away |
| Nearest city of 250,000+ | Kansas City, MO84 miles away |
| Nearest city of 1 million+ | Chicago, IL331 miles away |
Straight-line distances from the center of Gilliam; 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.
Gilliam had 175 residents in the 2020 census, down 24% since 2000.
It’s the 621st largest of 1,060 towns in Missouri by population.
Saline County grew from 33,703 residents in 1900 to 23,333 in 2020.
Saline 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 19°F. About 41.8 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Marshall, MO weather station (14 miles away).
6,906 jobs at 451 businesses in Saline 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 Gilliam C-4. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gilliam Elem.Gilliam | K–8 | 38 | Public | 0.8 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.