Shelby County, Missouri

Shelby County, Missouri, has 5,870 residents (July 2025 estimate). Its county seat is Shelbyville. It uses Central Time and covers 501 sq mi (1,297 km²) of land.

Shelby County in Missouri

Shelby County and its neighbors (simplified outlines). Open in OpenStreetMap ↗

Resident population, July 2025: 5,870
Land area: 501 sq mi (1,297 km²)
County seat or government: Shelbyville
Time zone: Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income: $51,594 ± $5,271
Median home value: $99,900 ± $13,404
Median rent, with utilities: $625 ± $64
Homes lived in by their owners: 77.5% ± 1.7 points
County type: County
Metro or micro area: Outside any metro or micro areaNext to: Hannibal, MO micro area and Quincy, IL-MO micro area
Water area: 1.45 sq mi (3.76 km²)
State: Missouri
County code (FIPS): 29205
Coordinates (central point): 39.797531, -92.088719

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These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Shelby County

Time zone	Local time and UTC offset	Next clock change
Central TimeAmerica/Chicago	UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

634682,314 people
634371,560 people
634401,136 people
63469911 people
63434731 people
63443393 people
63439183 people
63451177 people
63450145 people

9 ZIP Code areas overlap Shelby County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Shelby County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Shelby County, largest first

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Missouri, by county

School districts in Shelby County, largest first

Lewis County C-1 School District6,092 people
Monroe City R-I School District6,075 people
Shelby County R-IV School District3,991 people
North Shelby School District1,888 people
Marion County R-II School District1,592 people
Atlanta C-3 Schools1,394 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

Bordering areas, nearest first

Distances are straight lines between map points.

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See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.