Phelps County, Missouri

Phelps County, Missouri, has 45,247 residents (July 2025 estimate). Its county seat is Rolla. It uses Central Time and covers 672 sq mi (1,740 km²) of land.

Kansas CitySt. LouisSpringfield
Phelps County in Missouri
Crawford CountyPulaski CountyRollaSt. JamesDoolittleNewburgEdgar Springs
Phelps County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
45,247
Land area
672 sq mi (1,740 km²)
County seat or government
Rolla
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$58,396 ± $3,528
Median home value
$206,500 ± $10,558
Median rent, with utilities
$798 ± $27
Homes lived in by their owners
61.7% ± 2.2 points
County type
County
Metro or micro area
Rolla, MO micro areaCentral county
Water area
2.53 sq mi (6.56 km²)
State
Missouri
County code (FIPS)
29161
Coordinates (central point)
37.866326, -91.790350

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Phelps County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6540132,714 people
  2. 6556013,822 people
  3. 655599,303 people
  4. 654598,562 people
  5. 655427,060 people
  6. 655503,181 people
  7. 654621,264 people
  8. 65529187 people
  9. 65449161 people
  10. 6546197 people
  11. 6543621 people
  12. 654090 people

12 ZIP Code areas overlap Phelps County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Phelps County, largest first

  1. Rolla Township17,164 people
  2. Dillon Township11,454 people
  3. St. James Township5,416 people
  4. Miller Township4,119 people
  5. Arlington Township2,357 people
  6. Spring Creek Township1,720 people
  7. Cold Spring Township1,325 people
  8. Dawson Township659 people
  9. Liberty Township598 people
  10. Meramec Township382 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Missouri, by county

School districts in Phelps County, largest first

  1. Rolla 31 School District31,736 people
  2. St. James R-I School District9,434 people
  3. Licking R-VIII School District6,824 people
  4. Dixon R-I School District6,456 people
  5. Dent-Phelps R-III School District3,314 people
  6. Newburg R-II School District3,140 people
  7. Phelps County R-III School District1,690 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Rolla, Missouri (city)20,287 people
  2. St. James, Missouri (city)3,916 people
  3. Doolittle, Missouri (city)561 people
  4. Newburg, Missouri (city)331 people
  5. Edgar Springs, Missouri (city)224 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Maries County, Missouri22 mi north
  2. Pulaski County, Missouri23 mi west
  3. Dent County, Missouri25 mi southeast
  4. Crawford County, Missouri27 mi east
  5. Texas County, Missouri39 mi south
  6. Gasconade County, Missouri43 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.