Simpson County GIS Maps

Simpson 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.

Simpson County Parcels

Simpson County has 21,482 mapped parcels covering 370,090 acres. The median assessed value is $12,930. The median lot size is 3.10 acres. 7,021 parcels are 10 acres or larger. The records carry 14,470 distinct owner names. About 9% of parcels list an owner mailing address outside Mississippi. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Simpson County Parcel viewer here.

Simpson County Parcel Data Coverage

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

Simpson County Population

Simpson County had 25,949 residents in 2020. That was 5.7% lower than in 2010. Simpson County had 1,690 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 44 people per square mile. Some of the county's most populated postal areas include Mendenhall, Magee and Braxton.

Population Trend in Simpson County MS

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

Simpson County Zip Codes

Simpson County has 6 zip codes. Some of the county's most populated zip codes include Mendenhall (39114), Magee (39111) and Braxton (39044). Mendenhall is the largest zip by population, with about 9,673 residents or 37% of the county total. Together, the three largest zips account for about 88% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Simpson County MS

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

Simpson County Demographics

Simpson County has a median age of 41, which makes the county a little older than Mississippi overall. About 23.3% of residents are under 18, while 18.7% 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 29.7% of the population, which points to a solid working-age base. About 16.5% of adults have a bachelor's degree or higher, above the statewide figure of 24.2%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Simpson County MS

Simpson County School Districts

Simpson County is served by 1 public school district with 2,797 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% 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 Simpson County MS

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

Simpson County Housing & Real Estate

Simpson County has a median home value of $111,600 and a median gross rent of $819. About 80% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Mississippi median, while rents come in below the state average. In March 2026, the median listing price was $268,475 and homes spent about 100 days on the market.

Businesses in Simpson County, MS

Simpson County has 954 business listings across 287 categories. The largest categories in Simpson County business listings are Churches & Religious Organizations (59, 6.2%), Baptist Church (34, 3.6%), and Gas Stations (20, 2.1%). The full Simpson County business listings dataset includes names, categories, addresses and contact details where available. Simpson County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Simpson County, MS

Simpson County Business Listings

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

Simpson County Basemaps

Simpson 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 Mississippi — explore the full structure before you buy.