Riley County, Kansas

Riley County, Kansas, has 72,598 residents (July 2025 estimate). Its county seat is Manhattan. It uses Central Time and covers 610 sq mi (1,579 km²) of land.

WichitaOverland Park
Riley County in Kansas
Clay CountyPottawatomie CountyManhattanFort RileyRileyLeonardville
Riley County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
72,598
Land area
610 sq mi (1,579 km²)
County seat or government
Manhattan
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$61,098 ± $1,445
Median home value
$237,100 ± $11,412
Median rent, with utilities
$1,046 ± $38
Homes lived in by their owners
46.1% ± 1.5 points
County type
County
Metro or micro area
Manhattan, KS metro areaCentral county
Water area
12.4 sq mi (32.1 km²)
State
Kansas
County code (FIPS)
20161
Coordinates (central point)
39.291210, -96.727488

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 Riley 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. 6650243,693 people
  2. 6644125,828 people
  3. 6650317,273 people
  4. 6644216,890 people
  5. 674325,607 people
  6. 665063,155 people
  7. 665171,696 people
  8. 665311,256 people
  9. 664111,127 people
  10. 66548975 people
  11. 66449937 people
  12. 66554770 people
All 14
  1. 66933345 people
  2. 67447207 people

14 ZIP Code areas overlap Riley 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

Riley 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 Riley County, largest first

  1. Madison Township9,271 people
  2. Ogden Township2,345 people
  3. Manhattan Township1,779 people
  4. Grant Township779 people
  5. Sherman Township775 people
  6. Wildcat Township771 people
  7. Bala Township767 people
  8. Jackson Township441 people
  9. Swede Creek Township216 people
  10. Zeandale Township172 people
  11. Center Township126 people
  12. May Day Township102 people
All 14
  1. Ashland Township87 people
  2. Fancy Creek Township76 people

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

School districts in Riley County, largest first

  1. Manhattan-Ogden Unified School District 38362,572 people
  2. Geary County Schools Unified School District 47542,835 people
  3. Wamego Unified School District 3207,904 people
  4. Clay Center Unified School District 3797,873 people
  5. Rock Creek Unified School District 3236,285 people
  6. Riley County Unified School District 3785,033 people
  7. Wabaunsee Unified School District 3293,974 people
  8. Valley Heights Unified School District 4982,173 people
  9. Blue Valley Unified School District 3841,962 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. Manhattan, Kansas (city)54,239 people
  2. Fort Riley, Kansas (CDP)8,606 people
  3. Ogden, Kansas (city)1,696 people
  4. Riley, Kansas (city)943 people
  5. Leonardville, Kansas (city)514 people
  6. Keats, Kansas (CDP)182 people
  7. Randolph, Kansas (city)178 people
  8. Bala, Kansas (CDP)0 people
  9. Zeandale, Kansas (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Geary County, Kansas20 mi south
  2. Pottawatomie County, Kansas22 mi east
  3. Clay County, Kansas24 mi west
  4. Marshall County, Kansas36 mi north
  5. Wabaunsee County, Kansas37 mi southeast
  6. Washington County, Kansas39 mi northwest

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.