Weston County GIS Maps

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Weston County, Wyoming, has 6,838 residents across 5,853 parcels and covers 2,398.0 square miles. The population declined 5.1% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Weston County is 56045.

Newcastle is the county's largest population center. Weston County also includes 3 zip codes, 2 public school districts and 10 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

Weston County Trends

Population
6,838▾
Median Home Value
$214,000▴
K-12 Enrollment
1,604▾
Weston County in Wyoming

County analytics dashboards with historical trends & projections included in package downloads.

Weston County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Weston County Parcels

Weston County has 5,853 mapped parcels covering 1,533,406 acres. The median assessed value is $102,125. The median lot size is 1.84 acres. 2,009 parcels are 10 acres or larger. The records carry 3,598 distinct owner names. About 15% of parcels list an owner mailing address outside Wyoming. Assessed values and lot sizes are on nearly every parcel. Owner names reach 92.2%. Mailing addresses reach 92.2%. Browse the interactive Weston County Parcel viewer here.

Weston County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 5,853 100%
Owner name 5,397 92.2%
Owner mailing address 5,397 92.2%
Site address 3,695 63.1%
Land use code 0 0%
Land use description 0 0%
Assessed value 5,853 100%
Land value 0 0%
Improvement value 0 0%
Acreage 5,853 100%
Parcel boundary 5,853 100%
Download all Weston County parcels.

Field coverage measured across all Weston County parcel records.

Weston County Population

Weston County had 6,838 residents in 2020. That was 5.1% lower than in 2010. Weston County added 194 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 3 people per square mile. Some of the county's most populated postal areas include Newcastle, Upton and Osage.

Population Trend in Weston County WY

Weston County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Weston County Zip Codes

Weston County has 3 zip codes. Some of the county's most populated zip codes include Newcastle (82701), Upton (82730) and Osage (82723). Newcastle is the largest zip by population, with about 5,309 residents or 78% of the county total. Together, the three largest zips account for about 102% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Weston County WY

ZIP Area Population Trend
82701 Newcastle 5,309 ▾ -2.7%
82730 Upton 1,450 ▾ -7.4%
82723 Osage 219 ▾ -21.2%
Download all zip code data

Weston County Zip Code populations and trends per most recent census data.

Weston County Demographics

Weston County has a median age of 43.1, which makes the county a little older than Wyoming overall. About 19.3% of residents are under 18, while 21.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 31.5% of the population, which points to a solid working-age base. About 18% of adults have a bachelor's degree or higher, above the statewide figure of 29.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Weston County WY

Median Age

43.1

Under 18

19.3%

Age 65+

21.4%

Bachelor's+

18%

Weston County School Districts

Weston County is served by 2 public school districts with 1,604 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Weston County WY

District Enrollment Share Trend
Weston County School District 7 859 53.6% ▾ -4.8%
Weston County School District 1 745 46.4% ▾ -1.2%
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Weston County school district enrollment and trends per most recent NCES reporting data.

Weston County Housing & Real Estate

Weston County has a median home value of $214,000 and a median gross rent of $694. About 89% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Wyoming median, while rents come in below the state average. In March 2026, the median listing price was $278,750 and homes spent about 110 days on the market.

Weston County Housing Mix

Weston County housing mix: owner, renter and vacant units.

Weston County Housing Trends

Weston County median home value and rent trend (last 5 years).

Businesses in Weston County, WY

Weston County has 343 business listings across 182 categories. The largest categories in Weston County business listings are Churches & Religious Organizations (14, 4.1%), Auto Repair (11, 3.2%), and Convenience Stores (8, 2.3%). The full Weston County business listings dataset includes names, categories, addresses and contact details where available. Weston County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Weston County, WY

Category Businesses Share
Churches & Religious Organizations 14 4.1%
Auto Repair 11 3.2%
Convenience Stores 8 2.3%
Community & Nonprofits 7 2.0%
Bars & Nightlife 6 1.7%
Motels 6 1.7%
Beauty Salons 5 1.5%
Contractors 5 1.5%
Public And Government Association 5 1.5%
Hotels 5 1.5%

Weston County Business Listings

Business Category City
Iron Creek Inn & Suites - Upton, WY Accommodation Upton
Crowell and Sylte Accountant Newcastle
Sagebrush Marketing Advertising Agency Newcastle
Ranchers Feed and Supply Agriculture Newcastle
Upton Municipal Airport Airport Weston County
Wing Street American Restaurants Newcastle
Cash Box Ceramics Arts And Crafts Newcastle
LibertyX Bitcoin ATM ATMs Newcastle
Old Town Upton Attractions And Activities Upton
Matt Ramsey Auctions Auction House Newcastle
Download Weston County business listings

Weston County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Weston County Basemaps

Weston County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Get the Full Weston County Data Package

This page shows a preview of what's included in the Weston County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

Get the Weston County Package + Parcels — $49

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