Clarke County GIS Maps

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Clarke County, Iowa, has 9,748 residents across 11,997 parcels and covers 431.2 square miles. The population grew 5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Clarke County is 19039.

Osceola is the county's largest population center. Clarke County also includes 4 zip codes, 5 public school districts and 26 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.

Clarke County Trends

Population
9,748▴
Median Home Value
$160,200▴
K-12 Enrollment
3,188▴
Clarke County in Iowa

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

Clarke 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.

Clarke County Parcels

Clarke County has 11,997 mapped parcels covering 257,940 acres. Agricultural land accounts for 60.0% of parcels. Residential follows at 27.4% and agricultural dwellings at 8.1%. The records carry 4,727 distinct owner names. Owner names are on nearly every parcel. Browse the interactive Clarke County Parcel viewer here.

Clarke County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 11,997 100%
Owner name 11,997 100%
Owner mailing address 0 0%
Site address 4,504 37.5%
Land use code 0 0%
Land use description 11,997 100%
Assessed value 0 0%
Land value 0 0%
Improvement value 0 0%
Acreage 0 0%
Parcel boundary 11,997 100%
Download all Clarke County parcels.

Field coverage measured across all Clarke County parcel records.

Clarke County Population

Clarke County had 9,748 residents in 2020. That was 5% higher than in 2010. Clarke County added 615 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 23 people per square mile. Some of the county's most populated postal areas include Osceola, Murray and Weldon.

Population Trend in Clarke County IA

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

Clarke County Zip Codes

Clarke County has 4 zip codes. Some of the county's most populated zip codes include Osceola (50213), Murray (50174) and Weldon (50264). Osceola is the largest zip by population, with about 7,298 residents or 75% of the county total. Together, the three largest zips account for about 95% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Clarke County IA

ZIP Area Population Trend
50213 Osceola 7,298 ▴ 7.1%
50174 Murray 1,440 ▴ 0.8%
50264 Weldon 510 ▴ 9.4%
50275 Woodburn 476 ▾ -10.5%
Download all zip code data

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

Clarke County Demographics

Clarke County has a median age of 38.4, which is close to the Iowa average. About 25.5% of residents are under 18, while 19.7% 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 26.8% of the population, which points to a solid working-age base. About 16% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Clarke County IA

Median Age

38.4

Under 18

25.5%

Age 65+

19.7%

Bachelor's+

16%

Clarke County School Districts

Clarke County is served by 5 public school districts with 3,188 students enrolled in 2024. The largest districts on the county map are Clarke Community, Interstate 35 Community and East Union Community. Those three districts account for about 83% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Clarke County IA

District Enrollment Share Trend
Clarke Community School District 1,362 42.7% ▴ 2.9%
Interstate 35 Community School District 843 26.4% ▴ 2.2%
East Union Community School District 443 13.9% ▾ -2%
Murray Community School District 310 9.7% ▾ -2.2%
Mormon Trail Community School District 230 7.2% ▾ -4.2%
Download all school district data

Clarke County school district enrollment and trends per most recent NCES reporting data.

Clarke County Housing & Real Estate

Clarke County has a median home value of $160,200 and a median gross rent of $836. About 69% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Iowa median, while rents come in below the state average. In March 2026, the median listing price was $216,500 and homes spent about 73 days on the market.

Clarke County Housing Mix

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

Clarke County Housing Trends

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

Businesses in Clarke County, IA

Clarke County has 430 business listings across 217 categories. The largest categories in Clarke County business listings are Churches & Religious Organizations (21, 4.9%), Medical Offices (11, 2.6%), and Insurance Agencies (9, 2.1%). The full Clarke County business listings dataset includes names, categories, addresses and contact details where available. Clarke County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Clarke County, IA

Category Businesses Share
Churches & Religious Organizations 21 4.9%
Medical Offices 11 2.6%
Insurance Agencies 9 2.1%
Community & Nonprofits 8 1.9%
Parks & Recreation 7 1.6%
American Restaurants 6 1.4%
Auto Repair 6 1.4%
Public And Government Association 6 1.4%
Landmark And Historical Building 6 1.4%
Hotels 6 1.4%

Clarke County Business Listings

Business Category City
Shull Schrum McClaflin & Co. Accountant Osceola
Moses SEO Advertising Agency Johnston
D&R Feed Agricultural Service Osceola
Salford Group Iowa Plant Agriculture Osceola
AGRILAND FS Murray Agriculture Association Murray
Osceola Municipal Airport Airport Osceola
The Iron Horse Neighborhood Grill American Restaurants Osceola
Clarke-County Animal-Shelter Animal Shelters Osceola
Timber View Antiques Antique Store New Virginia
Murray, Iowa / Clarke County Freedom Rock Armed Forces Branch Afton
Download Clarke County business listings

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

Clarke County Basemaps

Clarke 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 Clarke County Data Package

This page shows a preview of what's included in the Clarke 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 Clarke County Package + Parcels — $49

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