| ZIP Codes: | 9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 327 / 870 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:25 PM |
| Population: | 22,747 [See All] |
| FIPS: | 05111 |
| CBSA: | Jonesboro, AR |
| Land Area: | 834 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 35.5712, -90.5960 |
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22,747 residents live across 9 ZIPs covering 834 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 25,028 to 22,747 from 2014 to 2024 — a -9.1% change. 1 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 72432 (Harrisburg, $55,827 median) and poorest ZIP 72429 (Fisher, $36,000) are 13.1 miles apart — a 1.6× income gap across local geography.
Median home values vary 1.6× across this county — from $73,300 in 72354 (Lepanto) to $116,100 in 72432 (Harrisburg).
Density varies 16× across the county — from 3 people/sq mi in 72429 (Fisher) to 54 in 72472 (Trumann).
Educational attainment ranges from 8.1% bachelor's+ in 72429 (Fisher) to 14.7% in 72386 (Tyronza) — the breadth of educational profiles across the area.
Within Arkansas, this is the #29 most populous of 78 counties and ranks #66 for median household income .
Weighted by population, the typical household earns about $47,419 across the county — reflecting what a typical resident sees, not a simple ZIP average.
11.3% of adults age 25+ hold a bachelor's degree or higher (1,754 of 15,560 reporting).
7 Standard delivery, 2 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.
Poinsett County lost 9.1% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 72472 | Trumann | Standard | 8,708 | $40,529 | 160.6 | -8.4% |
| 72432 | Harrisburg | Standard | 6,283 | $55,827 | 170.6 | -0.7% |
| 72365 | Marked Tree | Standard | 2,618 | $47,344 | 83.4 | -11.6% |
| 72354 | Lepanto | Standard | 2,403 | $48,472 | 52.3 | -5.0% |
| 72386 | Tyronza | Standard | 1,304 | $46,723 | 117.6 | -18.0% |
| 72479 | Weiner | Standard | 1,152 | $54,853 | 177.4 | -33.3% |
| 72429 | Fisher | Standard | 247 | $36,000 | 72.2 | -32.3% |
| 72377 | Rivervale | PO Box | 32 | — | 0.0 | 88.2% |
| 72475 | Waldenburg | PO Box | — | — | 0.0 | — |