| ZIP Codes: | 15 ZIP Codes (11 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 327 / 870 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:23 PM |
| Population: | 114,026 [See All] |
| FIPS: | 05031 |
| CBSA: | Jonesboro, AR |
| Land Area: | 740 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 35.8384, -90.6376 |
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114,026 residents live across 15 ZIPs covering 740 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 100,886 to 95,351 from 2014 to 2024 — a -5.5% change. 5 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 72405 (Jonesboro, $92,440 median) and poorest ZIP 72419 (Caraway, $41,017) are 19.6 miles apart — a 2.3× income gap across local geography.
Median home values vary 2.9× across this county — from $90,000 in 72421 (Cash) to $259,900 in 72405 (Jonesboro).
Density varies 1071× across the county — from 7 people/sq mi in 72421 (Cash) to 7,198 in 72467 (State University).
Educational attainment ranges from 11.4% bachelor's+ in 72419 (Caraway) to 42.1% in 72405 (Jonesboro) — the breadth of educational profiles across the area.
Within Arkansas, this is the #7 most populous of 78 counties and ranks #28 for median household income with the #4 fastest decade growth .
Weighted by population, the typical household earns about $62,574 across the county — reflecting what a typical resident sees, not a simple ZIP average.
29.5% of adults age 25+ hold a bachelor's degree or higher (21,595 of 73,123 reporting). The most-educated ZIPs cluster around Jonesboro.
11 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 72401 | Jonesboro | Standard | 42,602 | $45,329 | 93.2 | -23.3% |
| 72404 | Jonesboro | Standard | 29,968 | $70,269 | 130.5 | 22.3% |
| 72405 | Jonesboro | Standard | 18,675 | $92,440 | 36.8 | — |
| 72417 | Brookland | Standard | 5,940 | $61,964 | 41.8 | 61.9% |
| 72416 | Bono | Standard | 5,642 | $67,448 | 84.4 | -15.9% |
| 72437 | Lake City | Standard | 3,134 | $60,714 | 96.4 | -2.5% |
| 72411 | Bay | Standard | 2,997 | $55,625 | 33.9 | 28.2% |
| 72447 | Monette | Standard | 1,835 | $59,444 | 46.7 | -8.4% |
| 72419 | Caraway | Standard | 1,394 | $41,017 | 69.6 | -11.2% |
| 72467 | State University | PO Box | 948 | — | 0.1 | 334.9% |
| 72421 | Cash | Standard | 618 | $41,310 | 91.9 | 28.0% |
| 72414 | Black Oak | Standard | 227 | $60,833 | 15.0 | -50.8% |
| 72427 | Egypt | PO Box | 46 | $28,750 | 0.0 | -73.9% |
| 72402 | Jonesboro | PO Box | — | — | 0.0 | — |
| 72403 | Jonesboro | PO Box | — | — | 0.0 | — |