Marshall County GIS Maps
Marshall County, Indiana, has 46,095 residents across 30,141 parcels and covers 443.6 square miles. The population declined 2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Marshall County is 18099.
Plymouth is the county's largest population center. Marshall County also includes 9 zip codes, 7 public school districts and 25 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.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Marshall County Trends
- Population
- 46,095▾
- Median Home Value
- $184,500▴
- K-12 Enrollment
- 10,226▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Marshall 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.
Marshall County Parcels
Marshall County has 30,141 mapped parcels covering 287,209 acres. Site addresses are on nearly every parcel. Browse the interactive Marshall County Parcel viewer here.
Marshall County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 30,140 | 100% |
| Owner name | 0 | 0% |
| Owner mailing address | 0 | 0% |
| Site address | 29,853 | 99.0% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 0 | 0% |
| Parcel boundary | 30,140 | 100% |
| Download all Marshall County parcels. | ||
Field coverage measured across all Marshall County parcel records.
Marshall County Population
Marshall County had 46,095 residents in 2020. That was 2% lower than in 2010. Marshall County added 967 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 104 people per square mile. Some of the county's most populated postal areas include Plymouth, Bremen and Culver.
Population Trend in Marshall County IN
Marshall County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Marshall County Zip Codes
Marshall County has 9 zip codes. Some of the county's most populated zip codes include Plymouth (46563), Bremen (46506) and Culver (46511). Plymouth is the largest zip by population, with about 22,977 residents or 50% of the county total. Together, the three largest zips account for about 80% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Marshall County IN
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 46563 | Plymouth | 22,977 | ▾ -2.6% |
| 46506 | Bremen | 10,083 | ▴ 0.1% |
| 46511 | Culver | 4,008 | ▾ -9.6% |
| 46501 | Argos | 3,891 | ▴ 0.9% |
| 46504 | Bourbon | 3,241 | ▾ -5% |
| Download all zip code data | |||
Marshall County Zip Code populations and trends per most recent census data.
Marshall County Demographics
Marshall County has a median age of 39.6, which makes the county a little older than Indiana overall. About 24.7% of residents are under 18, while 18.3% 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 28.9% of the population, which points to a solid working-age base. About 20.4% of adults have a bachelor's degree or higher, above the statewide figure of 28.8%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Marshall County IN
Median Age
39.6
Under 18
24.7%
Age 65+
18.3%
Bachelor's+
20.4%
Marshall County School Districts
Marshall County is served by 7 public school districts with 10,226 students enrolled in 2024. The largest districts on the county map are Plymouth Community School Corporation, John Glenn School Corporation and Bremen Public Schools. Those three districts account for about 65% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Marshall County IN
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Plymouth Community School Corporation | 3,168 | 31% | ▾ -1.2% |
| John Glenn School Corporation | 1,993 | 19.5% | ▾ -0.4% |
| Bremen Public Schools | 1,497 | 14.6% | ▾ -0.8% |
| Union-North United School Corporation | 1,221 | 11.9% | ▾ -0.5% |
| Triton School Corporation | 931 | 9.1% | ▾ -2.4% |
| Download all school district data | |||
Marshall County school district enrollment and trends per most recent NCES reporting data.
Marshall County Housing & Real Estate
Marshall County has a median home value of $184,500 and a median gross rent of $936. About 77% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Indiana median, while rents come in below the state average. In March 2026, the median listing price was $328,425 and homes spent about 114 days on the market.
Marshall County Housing Mix
Marshall County housing mix: owner, renter and vacant units.
Marshall County Housing Trends
Marshall County median home value and rent trend (last 5 years).
Businesses in Marshall County, IN
Marshall County has 2,188 business listings across 499 categories. The largest categories in Marshall County business listings are Churches & Religious Organizations (82, 3.7%), Medical Offices (46, 2.1%), and Gas Stations (37, 1.7%). The full Marshall County business listings dataset includes names, categories, addresses and contact details where available. Marshall County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Marshall County, IN
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 82 | 3.7% |
| Medical Offices | 46 | 2.1% |
| Gas Stations | 37 | 1.7% |
| Auto Repair | 31 | 1.4% |
| Business Manufacturing And Supply | 30 | 1.4% |
| Insurance Agencies | 26 | 1.2% |
| ATMs | 25 | 1.1% |
| Lake | 24 | 1.1% |
| Parks & Recreation | 24 | 1.1% |
| Landmark And Historical Building | 24 | 1.1% |
Marshall County Business Listings
| Business | Category | City |
|---|---|---|
| Lewallen Acres | Accommodation | Culver |
| Weidner and Co PC | Accountant | Plymouth |
| Bill Nixon Field | Active Life | Plymouth |
| Culver Academies | Adult Education | Culver |
| Triple M Farms | Agricultural Cooperatives | Tippecanoe |
| Beech Road Seeds & Fertilizer, LLC | Agricultural Seed Store | Nappanee |
| Gen-Tech Seed | Agricultural Service | Argos |
| Flower Farm on Redwood | Agriculture | Plymouth |
| Ceres Solutions - Bremen | Agriculture Association | Bremen |
| Plymouth Municipal Airport | Airport | Plymouth |
| Download Marshall County business listings | ||
Marshall County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Marshall County Basemaps
Marshall 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 Marshall County Data Package
This page shows a preview of what's included in the Marshall 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.
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Nearby Counties
Browse county data pages for the counties that border Marshall County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.