Polk County GIS Maps
Polk County, Nebraska, has 5,214 residents across 5,723 parcels and covers 438.4 square miles. The population declined 3.6% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Polk County is 31143.
Stromsburg is the county's largest population center. Polk County also includes 5 zip codes, 6 public school districts and 20 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.
Polk County Trends
- Population
- 5,214▾
- Median Home Value
- $177,800▴
- K-12 Enrollment
- 2,153▴
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.
Polk 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.
Polk County Parcels
Polk County has 5,723 mapped parcels covering 293,690 acres. The median assessed value is $277,490. The median lot size is 8.20 acres. 2,771 parcels are 10 acres or larger. Assessed values and lot sizes are on nearly every parcel. Site addresses reach 54.4%. Browse the interactive Polk County Parcel viewer here.
Polk County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 5,723 | 100% |
| Owner name | 0 | 0% |
| Owner mailing address | 0 | 0% |
| Site address | 3,112 | 54.4% |
| Land use code | 5,723 | 100% |
| Land use description | 0 | 0% |
| Assessed value | 5,723 | 100% |
| Land value | 5,723 | 100% |
| Improvement value | 5,723 | 100% |
| Acreage | 5,723 | 100% |
| Parcel boundary | 5,723 | 100% |
| Download all Polk County parcels. | ||
Field coverage measured across all Polk County parcel records.
Polk County Population
Polk County had 5,214 residents in 2020. That was 3.6% lower than in 2010. Polk County had 425 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 12 people per square mile. Some of the county's most populated postal areas include Stromsburg, Osceola and Shelby.
Population Trend in Polk County NE
Polk County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Polk County Zip Codes
Polk County has 5 zip codes. Some of the county's most populated zip codes include Stromsburg (68666), Osceola (68651) and Shelby (68662). Stromsburg is the largest zip by population, with about 1,521 residents or 29% of the county total. Together, the three largest zips account for about 78% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Polk County NE
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 68666 | Stromsburg | 1,521 | ▾ -5.6% |
| 68651 | Osceola | 1,342 | ▾ -8.7% |
| 68662 | Shelby | 1,202 | ▾ -2.4% |
| 68654 | Polk | 601 | ▴ 11.1% |
| 68367 | Gresham | 472 | ▴ 2.4% |
| Download all zip code data | |||
Polk County Zip Code populations and trends per most recent census data.
Polk County Demographics
Polk County has a median age of 43.7, which makes the county a little older than Nebraska overall. About 22.3% of residents are under 18, while 23.1% 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 26.1% of the population, which points to a solid working-age base. About 18.6% of adults have a bachelor's degree or higher, above the statewide figure of 34.1%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Polk County NE
Median Age
43.7
Under 18
22.3%
Age 65+
23.1%
Bachelor's+
18.6%
Polk County School Districts
Polk County is served by 6 public school districts with 2,153 students enrolled in 2024. The largest districts on the county map are Centennial Public Schools, Twin River Public Schools and Shelby-Rising City Public Schools. Those three districts account for about 61% 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 Polk County NE
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Centennial Public Schools | 515 | 23.9% | ▴ 3.6% |
| Twin River Public Schools | 406 | 18.9% | ▴ 1% |
| Shelby-Rising City Public Schools | 403 | 18.7% | ▾ -1.2% |
| Cross County Community Schools | 372 | 17.3% | ▾ -2.1% |
| Osceola Public Schools | 250 | 11.6% | ▴ 2.9% |
| Download all school district data | |||
Polk County school district enrollment and trends per most recent NCES reporting data.
Polk County Housing & Real Estate
Polk County has a median home value of $177,800 and a median gross rent of $692. About 82% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Nebraska median, while rents come in below the state average. In March 2026, the median listing price was $157,200 and homes spent about 189 days on the market.
Polk County Housing Mix
Polk County housing mix: owner, renter and vacant units.
Polk County Housing Trends
Polk County median home value and rent trend (last 5 years).
Businesses in Polk County, NE
Polk County has 226 business listings across 134 categories. The largest categories in Polk County business listings are Churches & Religious Organizations (14, 6.2%), Insurance Agencies (8, 3.5%), and Elementary School (4, 1.8%). The full Polk County business listings dataset includes names, categories, addresses and contact details where available. Polk County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Polk County, NE
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 14 | 6.2% |
| Insurance Agencies | 8 | 3.5% |
| Elementary School | 4 | 1.8% |
| Farm | 4 | 1.8% |
| Coffee Shops | 4 | 1.8% |
| Libraries | 4 | 1.8% |
| Agricultural Service | 4 | 1.8% |
| High School | 4 | 1.8% |
| Gas Stations | 3 | 1.3% |
| Shipping Center | 3 | 1.3% |
Polk County Business Listings
| Business | Category | City |
|---|---|---|
| Gabriel, Burger & Else, CPA | Accountant | Osceola |
| Heartland Products Co | Agricultural Service | Columbus |
| Central Valley Ag | Agriculture | Shelby |
| Stromsburg Municipal Airport | Airport | Polk County |
| Monson Antique Trading Co | Antique Store | Osceola |
| Iron Mike Cycles | Arts And Entertainment | Osceola |
| LibertyX Bitcoin ATM | ATMs | Stromsburg |
| Osceola Auditorium | Auditorium | Osceola |
| Augie's Autobody Repair | Auto Body Shop | Osceola |
| Danny Seim - State Farm Insurance Agent | Auto Insurance | Stromsburg |
| Download Polk County business listings | ||
Polk County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Polk County Basemaps
Polk 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 Polk County Data Package
This page shows a preview of what's included in the Polk 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.
One-time · instant download · 30-day refund guarantee · See full package details
Preview a Live Package Demo
See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Nebraska — explore the full structure before you buy.
No email or download required. Opens in a preview window on this page.
Nearby Counties
Browse county data pages for the counties that border Polk County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.