Washington County GIS Maps

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Washington County, Mississippi, has 44,922 residents across 32,680 parcels and covers 724.7 square miles. The population declined 12.2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Washington County is 28151.

Greenville is the county's largest population center. Washington County also includes 10 zip codes, 4 public school districts and 18 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.

Washington County Trends

Population
44,922▾
Median Home Value
$99,300▴
K-12 Enrollment
6,208▾
Washington County in Mississippi

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

Washington 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.

Washington County Parcels

Washington County has 32,680 mapped parcels covering 487,670 acres. The median lot size is 0.32 acres. 4,190 parcels are 10 acres or larger. The records carry 19,385 distinct owner names. About 18% 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 Washington County Parcel viewer here.

Washington County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 32,680 100%
Owner name 32,635 99.9%
Owner mailing address 32,181 98.5%
Site address 32,680 100%
Land use code 0 0%
Land use description 0 0%
Assessed value 32,680 100%
Land value 32,680 100%
Improvement value 19,311 59.1%
Acreage 32,680 100%
Parcel boundary 32,680 100%
Download all Washington County parcels.

Field coverage measured across all Washington County parcel records.

Washington County Population

Washington County had 44,922 residents in 2020. That was 12.2% lower than in 2010. Washington County had 18,055 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 62 people per square mile. Some of the county's most populated postal areas include Greenville, Greenville and Leland.

Population Trend in Washington County MS

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

Washington County Zip Codes

Washington County has 10 zip codes. Some of the county's most populated zip codes include Greenville (38701), Greenville (38703) and Leland (38756). Greenville is the largest zip by population, with about 21,051 residents or 47% of the county total. Together, the three largest zips account for about 89% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Washington County MS

ZIP Area Population Trend
38701 Greenville 21,051 ▾ -13%
38703 Greenville 12,731 ▾ -12.6%
38756 Leland 6,112 ▾ -5.4%
38748 Hollandale 3,384 ▾ -13.3%
38744 Glen Allan 712 ▴ 4.4%
Download all zip code data

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

Washington County Demographics

Washington County has a median age of 38.3, which is close to the Mississippi average. About 25.5% of residents are under 18, while 17.6% 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 29.1% of the population, which points to a solid working-age base. About 20.5% of adults have a bachelor's degree or higher, above the statewide figure of 24.2%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Washington County MS

Median Age

38.3

Under 18

25.5%

Age 65+

17.6%

Bachelor's+

20.5%

Washington County School Districts

Washington County is served by 4 public school districts with 6,208 students enrolled in 2024. The largest districts on the county map are Greenville Public, Western Line and Leland. Those three districts account for about 91% 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 Washington County MS

District Enrollment Share Trend
Greenville Public School District 3,264 52.6% ▾ -2.7%
Western Line School District 1,739 28% ▴ 1.5%
Leland School District 671 10.8% ▾ -2.3%
Hollandale School District 534 8.6% ▾ -2.4%
Download all school district data

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

Washington County Housing & Real Estate

Washington County has a median home value of $99,300 and a median gross rent of $786. About 57% 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 $149,950 and homes spent about 87 days on the market.

Washington County Housing Mix

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

Washington County Housing Trends

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

Businesses in Washington County, MS

Washington County has 1,894 business listings across 413 categories. The largest categories in Washington County business listings are Churches & Religious Organizations (114, 6.0%), Baptist Church (54, 2.9%), and Landmark And Historical Building (32, 1.7%). The full Washington County business listings dataset includes names, categories, addresses and contact details where available. Washington County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Washington County, MS

Category Businesses Share
Churches & Religious Organizations 114 6.0%
Baptist Church 54 2.9%
Landmark And Historical Building 32 1.7%
Convenience Stores 31 1.6%
Discount Store 31 1.6%
Elementary School 29 1.5%
Restaurants 28 1.5%
Banks & Credit Unions 27 1.4%
Gas Stations 27 1.4%
Fast Food 25 1.3%

Washington County Business Listings

Business Category City
North Leland Estates Accommodation Leland
Vaught Accounting Accountant Greenville
MS Delta Nature and Learning Center Active Life Greenville
Lamar Advertising Advertising Agency Greenville
Wade Incorporated Agricultural Service Leland
Delta Seed and Services Agriculture Arcola
Southern AgCredit Agriculture Association Greenville
Air Evac 87 - Greenville, MS Airlines Greenville
Greenville Municipal Airport (Mississippi) Airport Greenville
Downtown Grille American Restaurants Greenville
Download Washington County business listings

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

Washington County Basemaps

Washington 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 Washington County Data Package

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

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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.

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