Carter County GIS Maps
Carter County, Kentucky, has 26,627 residents and covers 409.5 square miles. The population declined 3.9% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Carter County is 21043.
Grayson is the county's largest population center. Carter County also includes 6 zip codes, 1 public school district 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.
Carter County Trends
- Population
- 26,627▾
- Median Home Value
- $126,100▴
- K-12 Enrollment
- 3,980▾
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.
Carter 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.
Carter County Population
Carter County had 26,627 residents in 2020. That was 3.9% lower than in 2010. Carter County had 262 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 65 people per square mile. Some of the county's most populated postal areas include Grayson, Olive Hill and Grayson.
Population Trend in Carter County KY
Carter County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Carter County Zip Codes
Carter County has 6 zip codes. Some of the county's most populated zip codes include Grayson (41143), Olive Hill (41164) and Grayson (41132). Grayson is the largest zip by population, with about 14,153 residents or 53% of the county total. Together, the three largest zips account for about 101% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Carter County KY
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 41143 | Grayson | 14,153 | ▾ -2.6% |
| 41164 | Olive Hill | 12,231 | ▾ -6.8% |
| 41132 | Grayson | 414 | ▾ -2.6% |
| 41146 | Hitchins | 392 | ▾ -4.9% |
| 41142 | Grahn | 34 | ▾ -62.6% |
| Download all zip code data | |||
Carter County Zip Code populations and trends per most recent census data.
Carter County Demographics
Carter County has a median age of 41.8, which makes the county a little older than Kentucky overall. About 22.4% of residents are under 18, while 19.9% 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 28.6% of the population, which points to a solid working-age base. About 15.4% of adults have a bachelor's degree or higher, above the statewide figure of 27%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Carter County KY
Median Age
41.8
Under 18
22.4%
Age 65+
19.9%
Bachelor's+
15.4%
Carter County School Districts
Carter County is served by 1 public school district with 3,980 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 Carter County KY
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Carter County School District | 3,980 | 100% | ▾ -2.4% |
| Download all school district data | |||
Carter County school district enrollment and trends per most recent NCES reporting data.
Carter County Housing & Real Estate
Carter County has a median home value of $126,100 and a median gross rent of $701. About 78% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Kentucky median, while rents come in below the state average. In March 2026, the median listing price was $189,900 and homes spent about 63 days on the market.
Carter County Housing Mix
Carter County housing mix: owner, renter and vacant units.
Carter County Housing Trends
Carter County median home value and rent trend (last 5 years).
Businesses in Carter County, KY
Carter County has 984 business listings across 307 categories. The largest categories in Carter County business listings are Churches & Religious Organizations (51, 5.2%), Gas Stations (34, 3.5%), and Auto Repair (20, 2.0%). The full Carter County business listings dataset includes names, categories, addresses and contact details where available. Carter County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Carter County, KY
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 51 | 5.2% |
| Gas Stations | 34 | 3.5% |
| Auto Repair | 20 | 2.0% |
| Discount Store | 20 | 2.0% |
| Propane Supplier | 19 | 1.9% |
| Medical Offices | 17 | 1.7% |
| Pizza Restaurants | 16 | 1.6% |
| Convenience Stores | 16 | 1.6% |
| Parks & Recreation | 12 | 1.2% |
| Baptist Church | 12 | 1.2% |
Carter County Business Listings
| Business | Category | City |
|---|---|---|
| Solid Ground Counseling and Recovery Centers | Abuse And Addiction Treatment | Grayson |
| The Burbs Of Grayson | Accommodation | Grayson |
| Fraley Robert CPA | Accountant | Grayson |
| Hidden Cove Golf Course | Active Life | Olive Hill |
| Triple M Tractors | Agricultural Service | Grayson |
| Willard Milling Inc | Agriculture | Grayson |
| Olive Hill Airport | Airport | Olive Hill |
| The Cosmic Center | Amateur Sports Team | Olive Hill |
| Carter County Emergency Medical Services | Ambulance And Ems Services | Grayson |
| Tierney's Cavern | American Restaurants | Olive Hill |
| Download Carter County business listings | ||
Carter County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Carter County Basemaps
Carter 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 Carter County Data Package
This page shows a preview of what's included in the Carter 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 Carter County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.