McClain County GIS Maps
McClain County, Oklahoma, has 41,662 residents and covers 570.7 square miles. The population grew 20.7% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for McClain County is 40087.
Newcastle is the county's largest population center. McClain County also includes 6 zip codes, 14 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 population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
McClain County Trends
- Population
- 41,662▴
- Median Home Value
- $233,900▴
- K-12 Enrollment
- 29,526▴
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.
McClain 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.
McClain County Population
McClain County had 41,662 residents in 2020. That was 20.7% higher than in 2010. McClain County added 13,922 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 73 people per square mile. Some of the county's most populated postal areas include Purcell, Newcastle and Washington.
Population Trend in McClain County OK
McClain County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
McClain County Zip Codes
McClain County has 6 zip codes. Some of the county's most populated zip codes include Purcell (73080), Newcastle (73065) and Washington (73093). Purcell is the largest zip by population, with about 10,108 residents or 24% of the county total. Together, the three largest zips account for about 56% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in McClain County OK
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 73080 | Purcell | 10,108 | ▴ 9% |
| 73065 | Newcastle | 9,725 | ▴ 48.6% |
| 73093 | Washington | 3,415 | ▴ 30.7% |
| 73095 | Wayne | 1,831 | ▾ -3.4% |
| 74831 | Byars | 816 | ▾ -11.6% |
| Download all zip code data | |||
McClain County Zip Code populations and trends per most recent census data.
McClain County Demographics
McClain County has a median age of 38.9, which makes the county a little older than Oklahoma overall. About 25.3% of residents are under 18, while 15.4% 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 32.6% of the population, which points to a solid working-age base. About 28% of adults have a bachelor's degree or higher, above the statewide figure of 27.8%. 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 McClain County OK
Median Age
38.9
Under 18
25.3%
Age 65+
15.4%
Bachelor's+
28%
McClain County School Districts
McClain County is served by 14 public school districts with 29,526 students enrolled in 2024. The largest districts on the county map are Norman Public Schools, Newcastle Public Schools and Blanchard Public Schools. Those three districts account for about 71% 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 McClain County OK
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Norman Public Schools | 16,048 | 54.4% | ▴ 2.5% |
| Newcastle Public Schools | 2,618 | 8.9% | ▾ -0.9% |
| Blanchard Public Schools | 2,230 | 7.6% | ▾ -1.3% |
| Bridge Creek Public Schools | 1,929 | 6.5% | ▴ 2.6% |
| Purcell Public Schools | 1,463 | 5% | ▾ -0.2% |
| Download all school district data | |||
McClain County school district enrollment and trends per most recent NCES reporting data.
McClain County Housing & Real Estate
McClain County has a median home value of $233,900 and a median gross rent of $964. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Oklahoma median, while rents come in below the state average. In March 2026, the median listing price was $384,950 and homes spent about 68 days on the market.
McClain County Housing Mix
McClain County housing mix: owner, renter and vacant units.
McClain County Housing Trends
McClain County median home value and rent trend (last 5 years).
Businesses in McClain County, OK
McClain County has 1,839 business listings across 407 categories. The largest categories in McClain County business listings are Churches & Religious Organizations (61, 3.3%), Gas Stations (38, 2.1%), and Contractors (29, 1.6%). The full McClain County business listings dataset includes names, categories, addresses and contact details where available. McClain County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in McClain County, OK
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 61 | 3.3% |
| Gas Stations | 38 | 2.1% |
| Contractors | 29 | 1.6% |
| Auto Repair | 29 | 1.6% |
| Fast Food | 28 | 1.5% |
| Insurance Agencies | 27 | 1.5% |
| Baptist Church | 27 | 1.5% |
| Farm | 26 | 1.4% |
| Real Estate | 21 | 1.1% |
| Convenience Stores | 20 | 1.1% |
McClain County Business Listings
| Business | Category | City |
|---|---|---|
| Rob's Ranch | Abuse And Addiction Treatment | Purcell |
| Southern Command | Accommodation | Tuttle |
| Adams Ranch & Arena | Active Life | Lindsay |
| Landmark Design & Sign | Advertising Agency | Newcastle |
| Bonham Show Cattle | Agricultural Cooperatives | Newcastle |
| Hardcastle Land and Cattle | Agricultural Production | Washington |
| Farmers Union Co-Op | Agricultural Service | Wayne |
| David Jay Perry Airport | Airport | Goldsby |
| McClain-Grady County EMS | Ambulance And Ems Services | Blanchard |
| Sonny's Cafe | American Restaurants | Purcell |
| Download McClain County business listings | ||
McClain County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
McClain County Basemaps
McClain 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 McClain County Data Package
This page shows a preview of what's included in the McClain 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 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 McClain County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.