| ZIP Codes: | 17 ZIP Codes (10 Standard, 7 PO Box, 0 Unique) [See All] |
| Area Code: | 417 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:01 PM |
| Population: | 141,125 [See All] |
| FIPS: | 29097 |
| CBSA: | Joplin, MO-KS |
| Land Area: | 733 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 37.1682, -94.3965 |
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141,125 residents live across 17 ZIPs covering 733 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 133,136 to 141,125 from 2014 to 2024 — a +6.0% change. 10 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 64855 (Oronogo, $90,500 median) and poorest ZIP 64801 (Joplin, $52,620) are 11.8 miles apart — a 1.7× income gap across local geography.
Median home values vary 2.1× across this county — from $97,600 in 64835 (Carterville) to $208,700 in 64834 (Carl Junction).
Density varies 85× across the county — from 16 people/sq mi in 64755 (Jasper) to 1,369 in 64841 (Duenweg).
Educational attainment ranges from 10.7% bachelor's+ in 64835 (Carterville) to 39.1% in 64834 (Carl Junction) — the breadth of educational profiles across the area.
Within Missouri, this is the #9 most populous of 116 counties and ranks #38 for median household income with the #17 fastest decade growth .
Weighted by population, the typical household earns about $62,783 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.4% of adults age 25+ hold a bachelor's degree or higher (24,724 of 93,788 reporting).
10 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 64804 | Joplin | Standard | 37,016 | $62,574 | 91.6 | 1.4% |
| 64801 | Joplin | Standard | 36,287 | $52,620 | 57.8 | 0.2% |
| 64836 | Carthage | Standard | 26,562 | $61,335 | 187.1 | 11.7% |
| 64870 | Webb City | Standard | 16,186 | $68,300 | 32.6 | 12.8% |
| 64834 | Carl Junction | Standard | 10,586 | $85,205 | 32.3 | 8.4% |
| 64862 | Sarcoxie | Standard | 3,173 | $59,489 | 86.1 | 30.1% |
| 64855 | Oronogo | Standard | 3,039 | $90,500 | 43.3 | 6.7% |
| 64755 | Jasper | Standard | 2,332 | $77,643 | 144.9 | -5.4% |
| 64835 | Carterville | Standard | 2,074 | $58,849 | 2.5 | 14.8% |
| 64841 | Duenweg | PO Box | 1,381 | $59,167 | 1.0 | 384.6% |
| 64859 | Reeds | Standard | 1,212 | $61,429 | 51.9 | 12.8% |
| 64830 | Alba | PO Box | 624 | $51,510 | 1.4 | -21.9% |
| 64857 | Purcell | PO Box | 396 | — | 0.4 | -10.6% |
| 64849 | Neck City | PO Box | 187 | $71,875 | 0.2 | -16.1% |
| 64833 | Avilla | PO Box | 70 | — | 0.0 | -41.7% |
| 64802 | Joplin | PO Box | — | — | 0.0 | — |
| 64803 | Joplin | PO Box | — | — | 0.0 | — |