Knox County, Missouri

Knox County, Missouri, has 3,728 residents (July 2025 estimate). Its county seat is Edina. It uses Central Time and covers 504 sq mi (1,305 km²) of land.

Kansas CitySt. LouisSpringfield
Knox County in Missouri
Lewis CountyEdinaHurdlandKnox CityNewarkNovelty
Knox County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
3,728
Land area
504 sq mi (1,305 km²)
County seat or government
Edina
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$57,788 ± $9,515
Median home value
$101,400 ± $15,911
Median rent, with utilities
$666 ± $21
Homes lived in by their owners
85.1% ± 1.6 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Kirksville, MO micro area and Quincy, IL-MO micro area
Water area
2.82 sq mi (7.3 km²)
State
Missouri
County code (FIPS)
29103
Coordinates (central point)
40.136856, -92.146835

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 Knox County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 635492,344 people
  2. 635372,194 people
  3. 635331,141 people
  4. 634471,060 people
  5. 63469911 people
  6. 63563501 people
  7. 63446493 people
  8. 63531393 people
  9. 63547377 people
  10. 63458185 people
  11. 63451177 people
  12. 63460151 people

12 ZIP Code areas overlap Knox 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Knox County, largest first

  1. Center Township1,250 people
  2. Lyon Township663 people
  3. Benton Township320 people
  4. Greensburg Township295 people
  5. Bee Ridge Township208 people
  6. Fabius Township185 people
  7. Shelton Township166 people
  8. Liberty Township150 people
  9. Colony Township147 people
  10. Myrtle Township134 people
  11. Jeddo Township98 people
  12. Salt River Township89 people
All 13
  1. Bourbon Township51 people

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

School districts in Knox County, largest first

  1. Lewis County C-1 School District6,092 people
  2. Knox County R-I School District3,756 people
  3. La Plata R-II School District2,347 people
  4. Adair County R-II School District1,689 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.

  1. Edina, Missouri (city)1,250 people
  2. Hurdland, Missouri (city)173 people
  3. Knox City, Missouri (city)103 people
  4. Newark, Missouri (village)75 people
  5. Novelty, Missouri (village)63 people
  6. Baring, Missouri (city)40 people
  7. Plevna, Missouri (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Scotland County, Missouri21 mi north
  2. Lewis County, Missouri22 mi east
  3. Shelby County, Missouri24 mi south
  4. Adair County, Missouri24 mi west
  5. Clark County, Missouri29 mi northeast
  6. Macon County, Missouri31 mi southwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

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.