Phelps County GIS Maps
Phelps County, Missouri, has 66,922 residents and covers 671.8 square miles. The population grew 2.4% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Phelps County is 29161.
Rolla is the county's largest population center. Phelps County also includes 7 zip codes, 5 public school districts and 24 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.
Phelps County Trends
- Population
- 66,922▴
- Median Home Value
- $194,900▴
- K-12 Enrollment
- 7,693▾
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.
Phelps 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.
Phelps County Population
Phelps County had 66,922 residents in 2020. That was 2.4% higher than in 2010. Phelps County added 11,281 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 100 people per square mile. Some of the county's most populated postal areas include Rolla, Saint James and 65550 - Newburg 29161.
Population Trend in Phelps County MO
Phelps County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Phelps County Zip Codes
Phelps County has 7 zip codes. Some of the county's most populated zip codes include Rolla (65401), Saint James (65559) and Newburg (65550). Rolla is the largest zip by population, with about 32,310 residents or 48% of the county total. Together, the three largest zips account for about 66% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Phelps County MO
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 65401 | Rolla | 32,310 | ▾ -0.2% |
| 65559 | Saint James | 9,128 | ▾ -2.7% |
| 65550 | Newburg | 2,836 | ▾ -9.3% |
| 65462 | Edgar Springs | 1,395 | ▾ -12.4% |
| 65529 | Rolla | 171 | ▾ -26.3% |
| Download all zip code data | |||
Phelps County Zip Code populations and trends per most recent census data.
Phelps County Demographics
Phelps County has a median age of 36.2, which makes the county a little younger than Missouri overall. About 21.2% of residents are under 18, while 16.8% 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 28.3% of the population, which points to a solid working-age base. About 31.5% 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 Phelps County MO
Median Age
36.2
Under 18
21.2%
Age 65+
16.8%
Bachelor's+
31.5%
Phelps County School Districts
Phelps County is served by 5 public school districts with 7,693 students enrolled in 2024. The largest districts on the county map are Rolla 31, St. James R-I and Dixon R-I. Those three districts account for about 85% 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 Phelps County MO
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Rolla 31 School District | 4,161 | 54.1% | ▾ -1% |
| St. James R-I School District | 1,559 | 20.3% | ▾ -1.6% |
| Dixon R-I School District | 851 | 11.1% | ▾ -1.2% |
| Licking R-VIII School District | 813 | 10.6% | ▴ 0.5% |
| Newburg R-II School District | 309 | 4% | ▾ -11.5% |
| Download all school district data | |||
Phelps County school district enrollment and trends per most recent NCES reporting data.
Phelps County Housing & Real Estate
Phelps County has a median home value of $194,900 and a median gross rent of $801. About 62% 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 $287,000 and homes spent about 85 days on the market.
Phelps County Housing Mix
Phelps County housing mix: owner, renter and vacant units.
Phelps County Housing Trends
Phelps County median home value and rent trend (last 5 years).
Businesses in Phelps County, MO
Phelps County has 2,189 business listings across 513 categories. The largest categories in Phelps County business listings are Churches & Religious Organizations (65, 3.0%), Gas Stations (37, 1.7%), and Auto Repair (36, 1.6%). The full Phelps County business listings dataset includes names, categories, addresses and contact details where available. Phelps County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Phelps County, MO
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 65 | 3.0% |
| Gas Stations | 37 | 1.7% |
| Auto Repair | 36 | 1.6% |
| Beauty Salons | 32 | 1.5% |
| Medical Offices | 28 | 1.3% |
| Hotels | 25 | 1.1% |
| College University | 25 | 1.1% |
| ATMs | 24 | 1.1% |
| Insurance Agencies | 23 | 1.1% |
| Contractors | 23 | 1.1% |
Phelps County Business Listings
| Business | Category | City |
|---|---|---|
| Missouri S&T Bookstore | Academic Bookstore | Rolla |
| Residential Commons 1 | Accommodation | Rolla |
| Hometown Accounting | Accountant | Rolla |
| Quail Run Divers Quarry | Active Life | Rolla |
| Pleasure Zone | Adult Entertainment | Rolla |
| Home Office Advertising | Advertising Agency | Rolla |
| Gahr Truck & Equipment | Agricultural Service | St James |
| Greek Farms | Agriculture | Rolla |
| Rolla Downtown Airport | Airport | Rolla |
| USA Express, Inc. ~ Airport Shuttle Service ~ St. Louis & Ft. Leonard Wood | Airport Shuttles | Rolla |
| Download Phelps County business listings | ||
Phelps County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Phelps County Basemaps
Phelps 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 Phelps County Data Package
This page shows a preview of what's included in the Phelps 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 Phelps County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.