| ZIP Codes: | 9 ZIP Codes (7 Standard, 1 PO Box, 1 Unique) [See All] |
| Area Codes: | 235 / 573 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:03 PM |
| Population: | 46,767 [See All] |
| FIPS: | 29161 |
| CBSA: | Rolla, MO |
| Land Area: | 778 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 37.8419, -91.8519 |
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46,767 residents live across 9 ZIPs covering 778 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 46,997 to 46,767 from 2014 to 2024 — a -0.5% change. 2 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 65550 (Newburg, $71,275 median) and poorest ZIP 65462 (Edgar Springs, $54,712) are 13.3 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.8× across this county — from $121,000 in 65462 (Edgar Springs) to $222,800 in 65401 (Rolla).
Density varies 9× across the county — from 13 people/sq mi in 65462 (Edgar Springs) to 124 in 65401 (Rolla).
Educational attainment ranges from 19.7% bachelor's+ in 65550 (Newburg) to 36.0% in 65401 (Rolla) — the breadth of educational profiles across the area.
Within Missouri, this is the #23 most populous of 116 counties and ranks #32 for median household income .
Hosts 1 single-entity Unique ZIP: 65409Missouri S & T .
Weighted by population, the typical household earns about $58,443 across the county — reflecting what a typical resident sees, not a simple ZIP average.
32.0% of adults age 25+ hold a bachelor's degree or higher (9,574 of 29,921 reporting).
7 Standard delivery, 1 PO Box only, 1 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 65401 | Rolla | Standard | 32,714 | $56,081 | 263.4 | 0.0% |
| 65559 | Saint James | Standard | 9,303 | $61,750 | 186.9 | 5.7% |
| 65550 | Newburg | Standard | 3,181 | $71,275 | 176.1 | -10.7% |
| 65462 | Edgar Springs | Standard | 1,264 | $54,712 | 96.1 | -14.1% |
| 65529 | Jerome | Standard | 187 | $111,618 | 0.6 | -31.0% |
| 65461 | Duke | Standard | 97 | $63,036 | 29.6 | 12.8% |
| 65436 | Beulah | Standard | 21 | — | 24.7 | -72.4% |
| 65409 | Rolla | Unique | 0 | — | 0.3 | — |
| 65402 | Rolla | PO Box | — | — | 0.0 | — |