Dent County GIS Maps
Dent County, Missouri, has 14,421 residents and covers 752.8 square miles. The population declined 7.9% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Dent County is 29065.
Salem is the county's largest population center. Dent County also includes 4 zip codes, 3 public school districts and 25 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.
Dent County Trends
- Population
- 14,421▾
- Median Home Value
- $149,700▴
- K-12 Enrollment
- 2,010▾
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.
Dent 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.
Dent County Population
Dent County had 14,421 residents in 2020. That was 7.9% lower than in 2010. Dent County had 506 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 19 people per square mile. Some of the county's most populated postal areas include Salem, Boss and Rolla.
Population Trend in Dent County MO
Dent County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Dent County Zip Codes
Dent County has 4 zip codes. Some of the county's most populated zip codes include Salem (65560), Boss (65440) and Rolla (65541). Salem is the largest zip by population, with about 13,292 residents or 92% of the county total. Together, the three largest zips account for about 97% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Dent County MO
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 65560 | Salem | 13,292 | ▾ -7.6% |
| 65440 | Boss | 445 | ▾ -15.6% |
| 65541 | Rolla | 292 | ▴ 23.7% |
| 65501 | Jadwin | 215 | ▴ 31.9% |
| Download all zip code data | |||
Dent County Zip Code populations and trends per most recent census data.
Dent County Demographics
Dent County has a median age of 43.8, which makes the county a little older than Missouri overall. About 22.6% of residents are under 18, while 21.8% 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 27.2% of the population, which points to a solid working-age base. About 18.1% of adults have a bachelor's degree or higher, above the statewide figure of 31.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Dent County MO
Median Age
43.8
Under 18
22.6%
Age 65+
21.8%
Bachelor's+
18.1%
Dent County School Districts
Dent County is served by 3 public school districts with 2,010 students enrolled in 2024. The largest districts on the county map are Salem R-80, Iron County C-4 and Bunker R-III. 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 Dent County MO
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Salem R-80 School District | 1,452 | 72.2% | ▾ -1.8% |
| Iron County C-4 School District | 330 | 16.4% | ▾ -6.8% |
| Bunker R-III School District | 228 | 11.3% | ▴ 6.5% |
| Download all school district data | |||
Dent County school district enrollment and trends per most recent NCES reporting data.
Dent County Housing & Real Estate
Dent County has a median home value of $149,700 and a median gross rent of $615. About 77% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Missouri median, while rents come in below the state average. In March 2026, the median listing price was $253,200 and homes spent about 122 days on the market.
Dent County Housing Mix
Dent County housing mix: owner, renter and vacant units.
Dent County Housing Trends
Dent County median home value and rent trend (last 5 years).
Businesses in Dent County, MO
Dent County has 624 business listings across 266 categories. The largest categories in Dent County business listings are Churches & Religious Organizations (27, 4.3%), Structure And Geography (11, 1.8%), and Farm (11, 1.8%). The full Dent County business listings dataset includes names, categories, addresses and contact details where available. Dent County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Dent County, MO
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 27 | 4.3% |
| Structure And Geography | 11 | 1.8% |
| Farm | 11 | 1.8% |
| Auto Repair | 11 | 1.8% |
| Baptist Church | 10 | 1.6% |
| Insurance Agencies | 10 | 1.6% |
| Gas Stations | 10 | 1.6% |
| Campgrounds & RV Parks | 9 | 1.4% |
| Hair Salons | 8 | 1.3% |
| Contractors | 7 | 1.1% |
Dent County Business Listings
| Business | Category | City |
|---|---|---|
| Southeast Missouri Behavioral Health Salem Center | Abuse And Addiction Treatment | Salem |
| Terrapin Station | Accommodation | Salem |
| Pratt Mitchell & Co CPA's | Accountant | Salem |
| Tiger Trail Salem | Active Life | Salem |
| Action Graphics | Advertising Agency | Salem |
| Dent County Farm Supply | Agriculture | Salem |
| Salem Memorial Airport | Airport | Salem |
| Ozark Healthcare | Alcohol And Drug Treatment Centers | Salem |
| Salem Memorial District Hospital Ambulance Service | Ambulance And Ems Services | Salem |
| Spring Creek Cafe | American Restaurants | Salem |
| Download Dent County business listings | ||
Dent County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Dent County Basemaps
Dent 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 Dent County Data Package
This page shows a preview of what's included in the Dent 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 Dent County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.