Washington County, Kansas

Washington County is a county in Kansas. Its county FIPS code is 20201. Use the boundary map and neighboring areas below to check the jurisdiction you need.

Washington County: generalized boundary, north up. Open street map ↗
Official code
20201
Representative coordinates
39.776715, -97.095610
County type
County
County seat or government
Washington
Resident population, July 2025
5,533
Land area
2,317.414 km²
Water area
10.139 km²
State
Kansas
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Time zones in Washington County

Time zoneLocal time and UTC offsetNext clock change
America/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.

Census ZIP areas

66412 · 66548 · 66933 · 66937 · 66938 · 66943 · 66944 · 66945 · 66946 · 66953 · 66955 · 66958 · 66960 · 66962 · 66968

These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.

Official county information

Washington 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.

Cities, towns and communities

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Areas sharing the mapped boundary

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