Niobrara County, Wyoming

Niobrara County, Wyoming, has 2,341 residents (July 2025 estimate). Its county seat is Lusk. It uses Mountain Time and covers 2,626 sq mi (6,801 km²) of land.

CheyenneCasperGillette
Niobrara County in Wyoming
Fall River CountyConverse CountyLuskManvilleLance CreekVan Tassell
Niobrara County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
2,341
Land area
2,626 sq mi (6,801 km²)
County seat or government
Lusk
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$64,113 ± $13,198
Median home value
$221,500 ± $26,809
Median rent, with utilities
$605 ± $152
Homes lived in by their owners
61.8% ± 5.7 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Rapid City, SD metro area
Water area
1.92 sq mi (4.97 km²)
State
Wyoming
County code (FIPS)
56027
Coordinates (central point)
43.062159, -104.468373

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 Niobrara 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. 826339,317 people
  2. 827015,459 people
  3. 822251,616 people
  4. 82227363 people
  5. 82222161 people
  6. 82242149 people
  7. 822241 people

7 ZIP Code areas overlap Niobrara 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 Niobrara County, largest first

  1. Niobrara County School District 12,385 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. Lusk, Wyoming (town)1,311 people
  2. Manville, Wyoming (town)215 people
  3. Lance Creek, Wyoming (CDP)39 people
  4. Van Tassell, Wyoming (town)28 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Fall River County, South Dakota49 mi east
  2. Converse County, Wyoming54 mi west
  3. Weston County, Wyoming54 mi north
  4. Sioux County, Nebraska55 mi southeast
  5. Custer County, South Dakota66 mi northeast
  6. Goshen County, Wyoming67 mi south
  7. Platte County, Wyoming69 mi south

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.