Boone County GIS Maps
Boone County, Iowa, has 26,715 residents across 24,424 parcels and covers 571.6 square miles. The population grew 1.6% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Boone County is 19015.
Boone is the county's largest population center. Boone County also includes 8 zip codes, 13 public school districts and 32 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.
Boone County Trends
- Population
- 26,715▴
- Median Home Value
- $191,200▴
- K-12 Enrollment
- 14,299▾
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.
Boone 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.
Boone County Parcels
Boone County has 24,424 mapped parcels covering 361,130 acres. The median assessed value is $112,390. The median lot size is 20.40 acres. 9,874 parcels are 10 acres or larger. The records carry 12,265 distinct owner names. Owner names and assessed values are on nearly every parcel. Site addresses reach 51.4%. Lot sizes reach 65.1%. Browse the interactive Boone County Parcel viewer here.
Boone County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 24,424 | 100% |
| Owner name | 24,404 | 99.9% |
| Owner mailing address | 0 | 0% |
| Site address | 12,554 | 51.4% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 24,330 | 99.6% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 15,889 | 65.1% |
| Parcel boundary | 24,424 | 100% |
| Download all Boone County parcels. | ||
Field coverage measured across all Boone County parcel records.
Boone County Population
Boone County had 26,715 residents in 2020. That was 1.6% higher than in 2010. Boone County added 491 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 47 people per square mile. Some of the county's most populated postal areas include Boone, Madrid and Ogden.
Population Trend in Boone County IA
Boone County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Boone County Zip Codes
Boone County has 8 zip codes. Some of the county's most populated zip codes include Boone (50036), Madrid (50156) and Ogden (50212). Boone is the largest zip by population, with about 16,203 residents or 61% of the county total. Together, the three largest zips account for about 90% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Boone County IA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 50036 | Boone | 16,203 | ▾ -0.5% |
| 50156 | Madrid | 4,662 | ▴ 5.7% |
| 50212 | Ogden | 3,152 | ▴ 0.7% |
| 50276 | Woodward | 2,454 | ▾ -2.5% |
| 50223 | Pilot Mound | 331 | ▾ -31% |
| Download all zip code data | |||
Boone County Zip Code populations and trends per most recent census data.
Boone County Demographics
Boone County has a median age of 42.2, which makes the county a little older than Iowa overall. About 20.9% of residents are under 18, while 19.6% 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 31.3% of the population, which points to a solid working-age base. About 28.7% 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 Boone County IA
Median Age
42.2
Under 18
20.9%
Age 65+
19.6%
Bachelor's+
28.7%
Boone County School Districts
Boone County is served by 13 public school districts with 14,299 students enrolled in 2024. The largest districts on the county map are Boone Community, Ballard Community and Perry Community. Those three districts account for about 39% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Boone County IA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Boone Community School District | 1,955 | 13.7% | ▾ -0.3% |
| Ballard Community School District | 1,872 | 13.1% | ▴ 1.2% |
| Perry Community School District | 1,735 | 12.1% | ▾ -5% |
| Gilbert Community School District | 1,682 | 11.8% | ▾ -0.9% |
| Greene County Community School District | 1,240 | 8.7% | ▾ -1.2% |
| Download all school district data | |||
Boone County school district enrollment and trends per most recent NCES reporting data.
Boone County Housing & Real Estate
Boone County has a median home value of $191,200 and a median gross rent of $826. About 81% 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 $238,750 and homes spent about 55 days on the market.
Boone County Housing Mix
Boone County housing mix: owner, renter and vacant units.
Boone County Housing Trends
Boone County median home value and rent trend (last 5 years).
Businesses in Boone County, IA
Boone County has 1,172 business listings across 373 categories. The largest categories in Boone County business listings are Churches & Religious Organizations (42, 3.6%), Auto Repair (24, 2.0%), and Parks & Recreation (21, 1.8%). The full Boone County business listings dataset includes names, categories, addresses and contact details where available. Boone County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Boone County, IA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 42 | 3.6% |
| Auto Repair | 24 | 2.0% |
| Parks & Recreation | 21 | 1.8% |
| Contractors | 20 | 1.7% |
| Farm | 19 | 1.6% |
| Real Estate Agents | 15 | 1.3% |
| Medical Offices | 14 | 1.2% |
| Chiropractors | 13 | 1.1% |
| Gyms & Fitness | 13 | 1.1% |
| Public And Government Association | 13 | 1.1% |
Boone County Business Listings
| Business | Category | City |
|---|---|---|
| Alice Place Senior Living | Accommodation | Boone |
| David A. Keller, CPA | Accountant | Boone |
| Bluff Creek Cemetery, Ia | Active Life | Fraser |
| Susanz Scottf | Advertising Agency | Madrid |
| Blue River Organic Seed | Agricultural Cooperatives | Ames |
| Joe Busch Ag Repair | Agricultural Service | Boone |
| Heartland Co-Op | Agriculture | Luther |
| Boone Municipal Airport | Airport | Boone |
| High Country Taxi | Airport Shuttles | Boone |
| Integrity Builders & Remodelers, Inc. | Altering And Remodeling Contractor | Perry |
| Download Boone County business listings | ||
Boone County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Boone County Basemaps
Boone 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 Boone County Data Package
This page shows a preview of what's included in the Boone 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 Boone County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.