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Where am ILOCATED

Johnson County, Wyoming

Johnson County, Wyoming, has 8,908 residents (July 2025 estimate). Its county seat is Buffalo. It uses Mountain Time and covers 4,154 sq mi (10,759 km²) of land.

CheyenneCasperGillette
Johnson County in Wyoming
Big Horn CountyCampbell CountyWashakie CountyBuffaloKaycee
Johnson County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
8,908
Land area
4,154 sq mi (10,759 km²)
County seat or government
Buffalo
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$64,871 ± $5,633
Median home value
$326,800 ± $19,540
Median rent, with utilities
$1,029 ± $202
Homes lived in by their owners
82.3% ± 4.5 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Sheridan, WY micro area, Gillette, WY micro area, and Casper, WY metro area
Water area
20.4 sq mi (53 km²)
State
Wyoming
County code (FIPS)
56019
Coordinates (central point)
44.044048, -106.588541
Open this point in the location finder

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 Johnson County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-07:00 in January; UTC-06:00 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. 828347,588 people
  2. 828321,386 people
  3. 82639782 people
  4. 82640175 people
  5. 82831153 people

5 ZIP Code areas overlap Johnson 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.

School districts in Johnson County, largest first

  1. Johnson County School District 18,686 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. Buffalo, Wyoming (city)4,572 people
  2. Kaycee, Wyoming (town)280 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Sheridan County, Wyoming53 mi north
  2. Campbell County, Wyoming54 mi east
  3. Washakie County, Wyoming55 mi west
  4. Natrona County, Wyoming74 mi south
  5. Big Horn County, Wyoming77 mi northwest
  6. Converse County, Wyoming91 mi southeast

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.