Humboldt County GIS Maps
Humboldt County, Iowa, has 9,597 residents across 16,699 parcels and covers 434.4 square miles. The population declined 2.2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Humboldt County is 19091.
Humboldt is the county's largest population center. Humboldt County also includes 10 zip codes, 7 public school districts and 28 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.
Humboldt County Trends
- Population
- 9,597▾
- Median Home Value
- $146,900▴
- K-12 Enrollment
- 5,327▾
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.
Humboldt 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.
Humboldt County Parcels
Humboldt County has 16,699 mapped parcels covering 269,163 acres. The median assessed value is $100,130. The median lot size is 35.22 acres. 7,615 parcels are 10 acres or larger. The records carry 5,436 distinct owner names. Owner names are on nearly every parcel. Assessed values reach 93.2%. Lot sizes reach 63.9%. Browse the interactive Humboldt County Parcel viewer here.
Humboldt County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 16,699 | 100% |
| Owner name | 16,547 | 99.1% |
| Owner mailing address | 0 | 0% |
| Site address | 5,660 | 33.9% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 15,562 | 93.2% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 10,664 | 63.9% |
| Parcel boundary | 16,699 | 100% |
| Download all Humboldt County parcels. | ||
Field coverage measured across all Humboldt County parcel records.
Humboldt County Population
Humboldt County had 9,597 residents in 2020. That was 2.2% lower than in 2010. Humboldt County had 784 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 22 people per square mile. Some of the county's most populated postal areas include Humboldt, Dakota City and Livermore.
Population Trend in Humboldt County IA
Humboldt County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Humboldt County Zip Codes
Humboldt County has 10 zip codes. Some of the county's most populated zip codes include Humboldt (50548), Dakota City (50529) and Livermore (50558). Humboldt is the largest zip by population, with about 5,921 residents or 62% of the county total. Together, the three largest zips account for about 76% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Humboldt County IA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 50548 | Humboldt | 5,921 | ▴ 0.9% |
| 50529 | Dakota City | 759 | ▾ -9.3% |
| 50558 | Livermore | 624 | ▴ 1% |
| 50519 | Bode | 614 | ▾ -1.6% |
| 50577 | Renwick | 394 | ▾ -3.9% |
| Download all zip code data | |||
Humboldt County Zip Code populations and trends per most recent census data.
Humboldt County Demographics
Humboldt County has a median age of 41.8, which makes the county a little older than Iowa overall. About 23.7% of residents are under 18, while 21.4% 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 28.3% of the population, which points to a solid working-age base. About 19.3% 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 Humboldt County IA
Median Age
41.8
Under 18
23.7%
Age 65+
21.4%
Bachelor's+
19.3%
Humboldt County School Districts
Humboldt County is served by 7 public school districts with 5,327 students enrolled in 2024. The largest districts on the county map are Algona Community, Humboldt Community and Eagle Grove Community. Those three districts account for about 76% 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 Humboldt County IA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Algona Community School District | 1,583 | 29.7% | ▴ 1.5% |
| Humboldt Community School District | 1,426 | 26.8% | ▾ -1.8% |
| Eagle Grove Community School District | 1,032 | 19.4% | ▾ -1% |
| Clarion-Goldfield-Dows Community School District | 760 | 14.3% | ▾ -24.8% |
| West Bend-Mallard Community School District | 422 | 7.9% | ▴ 1.9% |
| Download all school district data | |||
Humboldt County school district enrollment and trends per most recent NCES reporting data.
Humboldt County Housing & Real Estate
Humboldt County has a median home value of $146,900 and a median gross rent of $731. 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 $189,900 and homes spent about 97 days on the market.
Humboldt County Housing Mix
Humboldt County housing mix: owner, renter and vacant units.
Humboldt County Housing Trends
Humboldt County median home value and rent trend (last 5 years).
Businesses in Humboldt County, IA
Humboldt County has 487 business listings across 222 categories. The largest categories in Humboldt County business listings are Churches & Religious Organizations (19, 3.9%), Beauty Salons (10, 2.1%), and Parks & Recreation (10, 2.1%). The full Humboldt County business listings dataset includes names, categories, addresses and contact details where available. Humboldt County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Humboldt County, IA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 19 | 3.9% |
| Beauty Salons | 10 | 2.1% |
| Parks & Recreation | 10 | 2.1% |
| Car Dealerships | 10 | 2.1% |
| Agricultural Service | 9 | 1.8% |
| Professional Services | 9 | 1.8% |
| Medical Offices | 9 | 1.8% |
| Business Manufacturing And Supply | 9 | 1.8% |
| Gas Stations | 8 | 1.6% |
| Convenience Stores | 7 | 1.4% |
Humboldt County Business Listings
| Business | Category | City |
|---|---|---|
| Otto's Landing | Accommodation | Humboldt |
| T.P. Anderson and Company | Accountant | Humboldt |
| Martin Marietta - Pedersen Quarry | Aggregate Supplier | Humboldt |
| Hog Slat, Inc. | Agricultural Service | Humboldt |
| Humboldt Municipal Airport | Airport | Humboldt |
| Millers Landing | American Restaurants | Humboldt |
| Moffitt Animal Shelter | Animal Shelters | Humboldt |
| Seiler Appliance | Appliance Store | Humboldt |
| Center X Archery | Archery Shop | Humboldt |
| Art Clusive Studios | Art Gallery | Livermore |
| Download Humboldt County business listings | ||
Humboldt County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Humboldt County Basemaps
Humboldt 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 Humboldt County Data Package
This page shows a preview of what's included in the Humboldt 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 Humboldt County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.