Printable Blank Map of Wyoming with Counties
Delineating all 23 counties across 97,813 square miles, this blank vector map of Wyoming captures the Equality State from the elevated high plains of Cheyenne west across the Wind River Range to the geothermal caldera of Yellowstone and the Grand Tetons. Projected in NAD83 Wyoming East Central (EPSG:32155), it provides clean coordinate geometry for mineral basin mapping, public rangeland analysis, and county governance studies.
About this Blank Map of Wyoming
This printable blank map represents Wyoming on the authentic NAD83 (2011) / WGS84 ellipsoidal datum. All 6 interactive visual variants—including Blank Outline, Counties Boundaries, Centroid Labels, Capital City Marker (Cheyenne), and High-Contrast Printer B&W—are generated synchronously from identical coordinate geometry.
| Specification | Value | Compliance & Source |
|---|---|---|
| Jurisdiction / Entity | Wyoming | US State |
| Subdivisions Rendered | 23 Counties | Verified Topological Polygon Mesh |
| Primary Capital City | Cheyenne | Marked on the capital variant |
| Cartographic Projection | WYOMING EAST CENTRAL | Distortion-Minimized Coordinate Map |
| Reference Datum | NAD83 (2011) / WGS84 | NOAA NGS / EPSG:32155 (State Plane Coordinate System) |
Wyoming Counties at a Glance
- Counties
- 23
- Capital
- Cheyenne
- Population (2020)
- 576,850
- Land area
- 97,093 sq mi
Most populous counties
- Laramie County (Cheyenne): 100,512 people, 17.4% of the state
- Natrona County (Casper): 79,966 people, 13.9% of the state
- Campbell County (Gillette): 47,030 people, 8.2% of the state
- Sweetwater County (Green River): 42,271 people, 7.3% of the state
- Fremont County (Lander): 39,235 people, 6.8% of the state
Largest counties by land area
- Sweetwater County (Green River): 10,427 sq mi
- Fremont County (Lander): 9,183.6 sq mi
- Carbon County (Rawlins): 7,897.8 sq mi
- Park County (Cody): 6,939 sq mi
- Natrona County (Casper): 5,340.5 sq mi
Neighboring states
Figures: US Census Bureau 2020 Census populations and Gazetteer land areas. The full sortable list with seats and FIPS codes is on the Wyoming county map & list page.
Geography Notes: Wyoming
Wyoming East Central Transverse Mercator Geodesy
Four State Plane zones (East, East Central, West Central, West) manage scale distortion across Wyoming's high plateau.
Centered on 107°20'W, the East Central zone minimizes scale error across the energy-rich Powder River Basin and Casper.
Surveyors working in active coal, uranium, and natural gas fields rely on this coordinate realization to maintain legal boundary integrity across vast township-and-range grids.
Transverse Mercator geometry restricts horizontal distortion to under 1:10,000 across high-altitude plains averaging over 6,000 feet in elevation.
The Rocky Mountain Uplifts vs The Energy Basins
Wyoming is the least populous US state, characterized by dramatic mountain ranges separated by arid sagebrush basins.
Northwestern Wyoming is dominated by the Yellowstone and Grand Teton national parks in Park and Teton counties, where jagged granite peaks and geothermal geysers attract millions of global visitors.
Eastern and central Wyoming encompass prolific energy basins (Powder River, Wind River, Green River), where Sweetwater County covers an expansive 10,426 square miles of desert rangeland.
Sweetwater County covers 10,426 square miles, making it the largest county in Wyoming and the eighth-largest in the United States, larger than Vermont.
Curated Classroom Activities & Spatial Labs for Wyoming
Pedagogical lesson plans and spatial analysis activities designed specifically for printable vector maps of Wyoming:
Yellowstone Caldera & Continental Divide Lab
Objective: Trace the Continental Divide through Wyoming and locate major volcanic features.
Materials: Printed blank map of Wyoming, red and blue fine-tip pens, physical relief atlas.
- Draw the Continental Divide entering from Montana through Yellowstone and winding south through the Wind River Range.
- Outline Yellowstone National Park in the northwestern corner of Park and Teton counties.
- Locate Laramie County (Cheyenne) in the southeastern corner as the state capital and primary population center.
Wyoming Energy Basins & Public Lands Mapping
Objective: Analyze how coal, oil, and natural gas extraction drives county revenue in Wyoming.
Materials: Printed Wyoming county outline map, colored highlighters.
- Highlight Campbell County (Gillette), known as the energy capital of the Powder River Basin.
- Shade Sweetwater County, noting it as the largest county in Wyoming by land area.
- Identify Niobrara County, the least populous county in Wyoming with under 2,500 residents.
The 6 Synchronized Variants Explained
We generate 6 synchronized variations of Wyoming from the same master vector dataset. Each variant is aligned to identical coordinate geometry:
1. Blank Boundary Outline
The foundational boundary outline of Wyoming. Rendered with a clean exterior stroke and zero fill—the optimal version for in-class labeling exams, custom cartographic overlays, or clean graphic design.
2. With Subdivisions (23 Counties)
Displays the exterior boundary plus internal administrative borders for all 23 counties. Each subdivision possesses a unique SVG element ID for direct styling and choropleth shading in vector editors.
3. Labeled with True Centroids
Features authentic typographic labels positioned at each administrative territory's mathematical center of mass. Perfect as a master grading answer key or self-study reference sheet.
4. Adjacent-Contrast Color Fill
Filled using an adjacency-contrast pastel palette so neighboring jurisdictions never blend together. Excellent for tactile visual discrimination and regional geography units.
5. With Capital City (Cheyenne)
Pinpoints the official capital city of Cheyenne using a high-visibility star marker and typographic callout, positioned at precise geodetic coordinates.
6. High-Contrast Printer B&W
Optimized specifically for monochrome desktop laser and inkjet printers. Uses pure black vector paths (#000000) and ultra-clean white fills to prevent ink-bleeding and toner smudging.
Tools to Use With This Map
- Interactive US county mapZoom into county lines on a live map.
- What county am I in?Find your county from your device location.
- True size comparisonDrag Wyoming over other places to compare real areas.
- Map area calculatorDraw a shape and measure its area on the WGS84 ellipsoid.
- Color a mapShade regions online and download your own map.
Wyoming County Map & Full List
See 2020 Census populations, seats, land areas and FIPS codes for every county in Wyoming, with an on-page map and CSV export.
Need Definitions for Map Projections, SVG Vectors, or Centroids?
Explore our centralized Cartography Glossary for detailed definitions of national and global geodetic datums, equal-area vs. conformal projections, TopoJSON topological arcs, and choropleth classification standards.
Frequently Asked Questions About Wyoming Blank Maps
Authoritative answers to common questions regarding printing, licensing, vector customization, and curriculum use:
What is the largest county by land area in Wyoming?▼
Sweetwater County in southwestern Wyoming (seat: Green River) is the largest county by area at 10,426 square miles.
Why are Wyoming's outer state boundaries straight lines?▼
Wyoming is one of only three US states (along with Colorado and Utah) whose borders are defined entirely by lines of latitude and longitude (latitudes 41°N and 45°N, longitudes 104°03'W and 111°03'W).
Why does Wyoming have only 23 counties for its large area?▼
With a 2020 Census population of 576,851 (the least populous state in the nation), Wyoming organized large counties around historic railroad corridors and livestock grazing centers.