Printable Blank Map of Colorado with Counties
Delineating all 64 counties across the Continental Divide, this blank vector map of Colorado captures 104,094 square miles of high plains, 14,000-foot Rocky Mountain peaks, and Western Slope canyons. Calibrated in NAD83 Colorado Central (EPSG:26954), it provides conformal accuracy for mapping Front Range urban corridors, mountain mining districts, and headwater rivers.
About this Blank Map of Colorado
This printable blank map represents Colorado on the authentic NAD83 (2011) / WGS84 ellipsoidal datum. All 6 interactive visual variants—including Blank Outline, Counties Boundaries, Centroid Labels, Capital City Marker (Denver), and High-Contrast Printer B&W—are generated synchronously from identical coordinate geometry.
| Specification | Value | Compliance & Source |
|---|---|---|
| Jurisdiction / Entity | Colorado | US State |
| Subdivisions Rendered | 64 Counties | Verified Topological Polygon Mesh |
| Primary Capital City | Denver | Marked on the capital variant |
| Cartographic Projection | NAD83 COLORADO CENTRAL | Distortion-Minimized Coordinate Map |
| Reference Datum | NAD83 (2011) / WGS84 | NOAA NGS / EPSG:26954 (State Plane Coordinate System) |
Colorado Counties at a Glance
- Counties
- 64
- Capital
- Denver
- Population (2020)
- 5,773,707
- Land area
- 103,642 sq mi
Most populous counties
- El Paso County (Colorado Springs): 730,405 people, 12.7% of the state
- Denver County (Denver): 715,524 people, 12.4% of the state
- Arapahoe County (Littleton): 655,075 people, 11.3% of the state
- Jefferson County (Golden): 582,886 people, 10.1% of the state
- Adams County (Brighton): 519,578 people, 9.0% of the state
Largest counties by land area
- Las Animas County (Trinidad): 4,772.9 sq mi
- Moffat County (Craig): 4,743.2 sq mi
- Weld County (Greeley): 3,984.9 sq mi
- Mesa County (Grand Junction): 3,328.7 sq mi
- Gunnison County (Gunnison): 3,239.1 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 Colorado county map & list page.
Geography Notes: Colorado
Colorado Central Lambert Conformal Conic Standard
Colorado is divided into North, Central, and South State Plane zones to accommodate severe elevation changes.
With standard parallels at 38°27'N and 39°45'N, the Central zone minimizes scale error across the Denver metro area, the high Continental Divide passes, and Mount Blue Sky.
Surveyors dealing with elevation variances exceeding 11,000 feet rely on conformal geometry to ensure that rectilinear county boundaries align with federal township corners.
Lambert conformal parallels restrict horizontal distortion to under 1:10,000 across the high-altitude Front Range.
Continental Divide & The Western Slope Watersheds
The Continental Divide snakes through 25 Colorado counties, separating Atlantic and Pacific drainages.
Eastern Colorado consists of expansive High Plains prairie counties (Weld, Logan, Yuma) watered by the South Platte and Arkansas rivers, supporting vast cattle ranching and grain farming.
The Western Slope encompasses the Colorado, Gunnison, and Yampa river basins, where snowpack melt sustains orchards in Mesa County and ski economies in Pitkin (Aspen) and San Miguel (Telluride) counties.
San Juan County (seat: Silverton) remains Colorado's least populous county with only 705 residents, preserving high-alpine historic mining claims.
Curated Classroom Activities & Spatial Labs for Colorado
Pedagogical lesson plans and spatial analysis activities designed specifically for printable vector maps of Colorado:
Continental Divide & Four Rivers Headwaters Lab
Objective: Trace how the Rocky Mountain crest distributes freshwater to four major American river systems.
Materials: Printed blank map of Colorado, blue and red pens, national hydrological atlas.
- Draw the Continental Divide in red from Rocky Mountain National Park south through the San Juan Mountains.
- Trace the Colorado River flowing west, the South Platte flowing northeast, the Arkansas flowing east, and the Rio Grande flowing south.
- Identify headwater counties: Grand (Colorado River), Park (South Platte), Lake (Arkansas), and Hinsdale (Rio Grande).
Colorado Front Range Urban Growth Lab
Objective: Map population concentration along the Interstate 25 corridor against rural plains counties.
Materials: Printed Colorado county map, highlighters.
- Highlight the five contiguous Front Range counties: Adams, Arapahoe, Boulder, Denver, and Jefferson.
- Calculate the proportion of Colorado's 5.8 million residents concentrated in the Front Range.
- Contrast Las Animas County (largest land area at 4,775 sq mi) with Denver County (smallest at 153 sq mi).
The 6 Synchronized Variants Explained
We generate 6 synchronized variations of Colorado from the same master vector dataset. Each variant is aligned to identical coordinate geometry:
1. Blank Boundary Outline
The foundational boundary outline of Colorado. 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 (64 Counties)
Displays the exterior boundary plus internal administrative borders for all 64 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 (Denver)
Pinpoints the official capital city of Denver 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 Colorado 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.
Colorado County Map & Full List
See 2020 Census populations, seats, land areas and FIPS codes for every county in Colorado, 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 Colorado Blank Maps
Authoritative answers to common questions regarding printing, licensing, vector customization, and curriculum use:
What is the largest county by land area in Colorado?▼
Las Animas County in southeastern Colorado along the New Mexico border is the largest county by area at 4,775 square miles.
Are Denver and Broomfield independent cities or counties?▼
Denver and Broomfield are consolidated city-counties in Colorado, functioning simultaneously as both municipal corporations and administrative counties.
Why are Colorado's eastern county boundaries largely rectangular?▼
Eastern Colorado was surveyed under the federal Public Land Survey System (PLSS) using rectangular townships, resulting in straight survey lines across the High Plains.