Cerro Gordo County GIS Maps

Cerro Gordo 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.

Cerro Gordo County Parcels

Cerro Gordo County has 32,836 mapped parcels covering 349,060 acres. The median assessed value is $114,900. The median lot size is 10.00 acres. 9,336 parcels are 10 acres or larger. The records carry 9,397 distinct owner names. Owner names reach 57.3%. Assessed values reach 54.7%. Browse the interactive Cerro Gordo County Parcel viewer here.

Cerro Gordo County Parcel Data Coverage

Field coverage measured across all Cerro Gordo County parcel records. Download free sample data here.

Cerro Gordo County Population

Cerro Gordo County had 43,127 residents in 2020. That was 2.3% lower than in 2010. Cerro Gordo County had 3,320 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 76 people per square mile. Some of the county's most populated postal areas include Mason City, Clear Lake and Rockwell.

Population Trend in Cerro Gordo County IA

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

Cerro Gordo County Zip Codes

Cerro Gordo County has 9 zip codes. Some of the county's most populated zip codes include Mason City (50401), Clear Lake (50428) and Rockwell (50469). Mason City is the largest zip by population, with about 28,981 residents or 67% of the county total. Together, the three largest zips account for about 93% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Cerro Gordo County IA

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

Cerro Gordo County Demographics

Cerro Gordo County has a median age of 43.9, which makes the county a little older than Iowa overall. About 21% of residents are under 18, while 23% 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 27.8% of the population, which points to a solid working-age base. About 24.3% 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 Cerro Gordo County IA

Cerro Gordo County School Districts

Cerro Gordo County is served by 7 public school districts with 8,800 students enrolled in 2024. The largest districts on the county map are Mason City Community, Clear Lake Community and Forest City Community. Those three districts account for about 68% 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 Cerro Gordo County IA

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

Cerro Gordo County Housing & Real Estate

Cerro Gordo County has a median home value of $154,100 and a median gross rent of $840. About 72% 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 $339,675 and homes spent about 99 days on the market.

Businesses in Cerro Gordo County, IA

Cerro Gordo County has 2,668 business listings across 559 categories. The largest categories in Cerro Gordo County business listings are Churches & Religious Organizations (69, 2.6%), Medical Offices (54, 2.0%), and Parks & Recreation (39, 1.5%). The full Cerro Gordo County business listings dataset includes names, categories, addresses and contact details where available. Cerro Gordo County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Cerro Gordo County, IA

Cerro Gordo County Business Listings

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

Cerro Gordo County Basemaps

Cerro Gordo 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.

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 Iowa — explore the full structure before you buy.