Printable Blank Map of Indiana with Counties
Delineating all 92 counties across 36,420 square miles, this blank vector map of Indiana captures the Crossroads of America from the sand dunes of Lake Michigan south to the limestone bluffs of the Ohio River. Calibrated under NAD83 Indiana East (EPSG:26973), it provides distortion-minimized geometry for Public Land Survey mapping, manufacturing corridor tracking, and county governance studies.
About this Blank Map of Indiana
This printable blank map represents Indiana on the authentic NAD83 (2011) / WGS84 ellipsoidal datum. All 6 interactive visual variants—including Blank Outline, Counties Boundaries, Centroid Labels, Capital City Marker (Indianapolis), and High-Contrast Printer B&W—are generated synchronously from identical coordinate geometry.
| Specification | Value | Compliance & Source |
|---|---|---|
| Jurisdiction / Entity | Indiana | US State |
| Subdivisions Rendered | 92 Counties | Verified Topological Polygon Mesh |
| Primary Capital City | Indianapolis | Marked on the capital variant |
| Cartographic Projection | NAD83 INDIANA EAST | Distortion-Minimized Coordinate Map |
| Reference Datum | NAD83 (2011) / WGS84 | NOAA NGS / EPSG:26973 (State Plane Coordinate System) |
Indiana Counties at a Glance
- Counties
- 92
- Capital
- Indianapolis
- Population (2020)
- 6,785,442
- Land area
- 35,826 sq mi
Most populous counties
- Marion County (Indianapolis): 977,202 people, 14.4% of the state
- Lake County (Crown Point): 498,705 people, 7.3% of the state
- Allen County (Fort Wayne): 385,394 people, 5.7% of the state
- Hamilton County (Noblesville): 347,469 people, 5.1% of the state
- St. Joseph County (South Bend): 272,916 people, 4.0% of the state
Largest counties by land area
- Allen County (Fort Wayne): 657.3 sq mi
- LaPorte County (La Porte): 598.3 sq mi
- Jasper County (Rensselaer): 559.7 sq mi
- Greene County (Bloomfield): 542.5 sq mi
- Kosciusko County (Warsaw): 531.4 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 Indiana county map & list page.
Geography Notes: Indiana
Indiana East Transverse Mercator Geodesy
Two State Plane zones divided along county boundaries maintain metric scale tolerances across all 92 counties.
Centered on 85°40'W, the East zone covers the Fort Wayne, Muncie, and Richmond manufacturing corridors, preserving conformal relationships along county lines.
Surveyors aligning section corners with the historic 1805 Second Principal Meridian baseline rely on this coordinate framework to prevent boundary distortion.
Transverse Mercator projection mathematics keep distance error under 1:10,000 from the Michigan border to the Ohio River bottomlands.
The Glacial Plains vs The Southern Limestone Knobs
Indiana is divided physiographically into glaciated northern till plains and rugged southern karst hills.
Northern and central counties (such as Allen, Tippecanoe, and Hamilton) feature deep, level glaciated soils that support high-yield corn agriculture and suburban development.
Southern counties (Monroe, Lawrence, Crawford) feature unglaciated limestone plateau topography, world-famous for dimensional building limestone quarries and extensive cave networks.
Allen County (seat: Fort Wayne) is Indiana's largest county by surface area at 657 square miles.
Curated Classroom Activities & Spatial Labs for Indiana
Pedagogical lesson plans and spatial analysis activities designed specifically for printable vector maps of Indiana:
The Second Principal Meridian & Survey Grid Lab
Objective: Examine how the 1805 federal land survey established rectangular county lines across Indiana.
Materials: Printed blank map of Indiana, ruler, fine-liner pen, state atlas.
- Draw the Second Principal Meridian running north-south through Orange, Lawrence, and Marion counties.
- Locate the historic survey initial point in Orange County near Paoli.
- Highlight Marion County (Indianapolis) as the state capital and geographic crossroads.
Indiana Manufacturing Corridor & Great Lakes Port Lab
Objective: Analyze the economic geography of northwest Indiana steel mills versus southern agricultural counties.
Materials: Printed Indiana county outline map, colored highlighters.
- Highlight Lake, Porter, and LaPorte counties fronting Lake Michigan (the Calumet industrial corridor).
- Locate Elkhart County, recognized as the global capital of recreational vehicle (RV) manufacturing.
- Trace the Wabash River flowing from east-central Indiana across the state to form the southwestern border with Illinois.
The 6 Synchronized Variants Explained
We generate 6 synchronized variations of Indiana from the same master vector dataset. Each variant is aligned to identical coordinate geometry:
1. Blank Boundary Outline
The foundational boundary outline of Indiana. 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 (92 Counties)
Displays the exterior boundary plus internal administrative borders for all 92 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 (Indianapolis)
Pinpoints the official capital city of Indianapolis 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 Indiana 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.
Indiana County Map & Full List
See 2020 Census populations, seats, land areas and FIPS codes for every county in Indiana, 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 Indiana Blank Maps
Authoritative answers to common questions regarding printing, licensing, vector customization, and curriculum use:
What is the largest county by land area in Indiana?▼
Allen County in northeastern Indiana (seat: Fort Wayne) is the largest county by area at 657 square miles.
What is the smallest county in Indiana?▼
Ohio County along the Ohio River in southeastern Indiana is the smallest county at just 87 square miles.
Why are so many Indiana counties square in shape?▼
After the 1787 Northwest Ordinance, Indiana was surveyed using the rectangular Public Land Survey System (PLSS), creating uniform 6-mile-by-6-mile congressional townships that form regular county borders.