| ZIP Codes: | 2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 235 / 573 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:44 PM |
| Population: | 13,193 [See All] |
| FIPS: | 29123 |
| Land Area: | 532 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 37.4626, -90.2838 |
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13,193 residents live across 2 ZIPs covering 532 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 12,923 to 13,193 from 2014 to 2024 — a +2.1% change. 2 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 63655 (Marquand, $61,469 median) and poorest ZIP 63645 (Fredericktown, $54,747) are 11.7 miles apart — a 1.1× income gap across local geography.
Median home values vary 1.1× across this county — from $157,500 in 63645 (Fredericktown) to $175,600 in 63655 (Marquand).
Density varies 3× across the county — from 11 people/sq mi in 63655 (Marquand) to 30 in 63645 (Fredericktown).
Educational attainment ranges from 8.7% bachelor's+ in 63655 (Marquand) to 17.5% in 63645 (Fredericktown) — the breadth of educational profiles across the area.
Within Missouri, this is the #71 most populous of 116 counties and ranks #74 for median household income .
Weighted by population, the typical household earns about $55,582 across the county — reflecting what a typical resident sees, not a simple ZIP average.
16.3% of adults age 25+ hold a bachelor's degree or higher (1,489 of 9,132 reporting).
2 Standard delivery, 0 PO Box only, 0 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.