| ZIP Codes: | 15 ZIP Codes (15 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 660 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:02 PM |
| Population: | 20,880 [See All] |
| FIPS: | 29147 |
| CBSA: | Maryville, MO |
| Land Area: | 909 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 40.3447, -94.8513 |
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20,880 residents live across 15 ZIPs covering 909 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 23,238 to 20,880 from 2014 to 2024 — a -10.1% change. 4 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 64432 (Clyde, $76,250 median) and poorest ZIP 64433 (Conception, $50,417) are 1.8 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.2× across this county — from $95,900 in 64487 (Skidmore) to $211,100 in 64468 (Maryville).
Density varies 64× across the county — from 4 people/sq mi in 64487 (Skidmore) to 265 in 64433 (Conception).
Educational attainment ranges from 12.4% bachelor's+ in 64423 (Barnard) to 36.0% in 64457 (Guilford) — the breadth of educational profiles across the area.
Within Missouri, this is the #51 most populous of 116 counties and ranks #45 for median household income .
Weighted by population, the typical household earns about $59,177 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.1% of adults age 25+ hold a bachelor's degree or higher (3,524 of 12,540 reporting).
15 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.
Nodaway County lost 10.1% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 64468 | Maryville | Standard | 14,280 | $57,251 | 148.3 | -10.8% |
| 64479 | Ravenwood | Standard | 1,091 | $61,184 | 65.5 | 7.3% |
| 64423 | Barnard | Standard | 777 | $58,854 | 69.4 | -7.5% |
| 64461 | Hopkins | Standard | 768 | $63,750 | 68.5 | -2.4% |
| 64428 | Burlington Junction | Standard | 609 | $56,250 | 93.7 | -27.7% |
| 64487 | Skidmore | Standard | 572 | $65,833 | 137.6 | -34.9% |
| 64434 | Conception Junction | Standard | 494 | $73,750 | 39.5 | -8.9% |
| 64431 | Clearmont | Standard | 441 | $75,625 | 47.6 | 10.8% |
| 64475 | Parnell | Standard | 403 | $60,469 | 67.1 | 54.4% |
| 64457 | Guilford | Standard | 308 | $62,250 | 39.3 | 41.3% |
| 64445 | Elmo | Standard | 301 | $66,667 | 41.2 | -8.8% |
| 64455 | Graham | Standard | 292 | $53,864 | 55.8 | -15.4% |
| 64476 | Pickering | Standard | 223 | $73,250 | 33.8 | -39.7% |
| 64433 | Conception | Standard | 202 | $50,417 | 0.8 | -12.6% |
| 64432 | Clyde | Standard | 119 | $76,250 | 1.1 | -26.1% |