Jasper County GIS Maps

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Jasper County, Iowa, has 37,813 residents across 10,447 parcels and covers 730.4 square miles. The population grew 2.6% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Jasper County is 19099.

Newton is the county's largest population center. Jasper County also includes 12 zip codes, 11 public school districts and 35 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.

Jasper County Trends

Population
37,813▴
Median Home Value
$176,800▴
K-12 Enrollment
19,575▾
Jasper County in Iowa

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

Jasper 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.

Jasper County Parcels

Jasper County has 10,447 mapped parcels covering 156,265 acres. The median assessed value is $111,660. The median lot size is 32.00 acres. 4,203 parcels are 10 acres or larger. The records carry 6,657 distinct owner names. Owner names and assessed values are on nearly every parcel. Site addresses reach 55.9%. Lot sizes reach 57.9%. Browse the interactive Jasper County Parcel viewer here.

Jasper County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 10,447 100%
Owner name 10,439 99.9%
Owner mailing address 0 0%
Site address 5,838 55.9%
Land use code 0 0%
Land use description 0 0%
Assessed value 10,383 99.4%
Land value 0 0%
Improvement value 0 0%
Acreage 6,046 57.9%
Parcel boundary 10,447 100%
Download all Jasper County parcels.

Field coverage measured across all Jasper County parcel records.

Jasper County Population

Jasper County had 37,813 residents in 2020. That was 2.6% higher than in 2010. Jasper County added 600 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 52 people per square mile. Some of the county's most populated postal areas include Newton, Colfax and Monroe.

Population Trend in Jasper County IA

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

Jasper County Zip Codes

Jasper County has 12 zip codes. Some of the county's most populated zip codes include Newton (50208), Colfax (50054) and Monroe (50170). Newton is the largest zip by population, with about 20,918 residents or 55% of the county total. Together, the three largest zips account for about 72% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Jasper County IA

ZIP Area Population Trend
50208 Newton 20,918 ▴ 2.5%
50054 Colfax 3,471 ▴ 3.4%
50170 Monroe 2,854 ▴ 4%
50228 Prairie City 2,509 ▴ 3.8%
50028 Baxter 1,608 ▾ -4.3%
Download all zip code data

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

Jasper County Demographics

Jasper County has a median age of 41.4, which makes the county a little older than Iowa overall. About 22.1% of residents are under 18, while 19.4% 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 30.9% of the population, which points to a solid working-age base. About 19.9% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Jasper County IA

Median Age

41.4

Under 18

22.1%

Age 65+

19.4%

Bachelor's+

19.9%

Jasper County School Districts

Jasper County is served by 11 public school districts with 19,575 students enrolled in 2024. The largest districts on the county map are Southeast Polk Community, Bondurant-Farrar Community and Newton Community. Those three districts account for about 61% 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 Jasper County IA

District Enrollment Share Trend
Southeast Polk Community School District 6,359 32.5% ▾ -14.3%
Bondurant-Farrar Community School District 2,824 14.4% ▴ 2.1%
Newton Community School District 2,669 13.6% ▾ -2%
Pella Community School District 2,462 12.6% ▾ -0.6%
Grinnell-Newburg Community School District 1,534 7.8% ▴ 0.1%
Download all school district data

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

Jasper County Housing & Real Estate

Jasper County has a median home value of $176,800 and a median gross rent of $822. About 75% 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 $234,975 and homes spent about 77 days on the market.

Jasper County Housing Mix

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

Jasper County Housing Trends

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

Businesses in Jasper County, IA

Jasper County has 1,455 business listings across 403 categories. The largest categories in Jasper County business listings are Churches & Religious Organizations (65, 4.5%), ATMs (26, 1.8%), and Auto Repair (26, 1.8%). The full Jasper County business listings dataset includes names, categories, addresses and contact details where available. Jasper County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Jasper County, IA

Category Businesses Share
Churches & Religious Organizations 65 4.5%
ATMs 26 1.8%
Auto Repair 26 1.8%
Gas Stations 23 1.6%
Convenience Stores 22 1.5%
Community & Nonprofits 21 1.4%
Parks & Recreation 20 1.4%
Contractors 20 1.4%
Banks & Credit Unions 19 1.3%
Landmark And Historical Building 18 1.2%

Jasper County Business Listings

Business Category City
MercyOne House of Mercy Abuse And Addiction Treatment Newton
Courtyard Apartments Accommodation Newton
Dimensions Accounting Accountant Newton
Express Dance Movement Active Life Newton
Lion's Den Adult Entertainment Newton
Iron Horse Aviation Aerial Tours Newton
Jasper County Iowa Farm Bureau Agricultural Cooperatives Newton
Heartland Co-op Agricultural Service Newton
The Bentley Grove Greenhouse Agriculture Newton
Johnson Aviation, Inc. Airport Newton
Download Jasper County business listings

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

Jasper County Basemaps

Jasper 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 Jasper County Data Package

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

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