| ZIP Codes: | 45 ZIP Codes (21 Standard, 21 PO Box, 3 Unique) [See All] |
| Area Code: | 501 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:52:43 PM |
| Population: | 393,659 [See All] |
| FIPS: | 05119 |
| CBSA: | Little Rock-North Little Rock-Conway, AR |
| Land Area: | 789 sq mi |
| Water Area: | 49 sq mi |
| Coordinates: | 34.7596, -92.3041 |
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393,659 residents live across 45 ZIPs covering 789 sq mi, served by 12 distinct USPS-recognized cities.
Population moved from 386,478 to 392,627 from 2014 to 2024 — a +1.6% change. 12 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 72212 (Little Rock, $114,140 median) and poorest ZIP 72114 (North Little Rock, $30,175) are 9.2 miles apart — a 3.8× income gap across local geography.
Median home values vary 4.6× across this county — from $98,800 in 72209 (Little Rock) to $451,800 in 72223 (Little Rock).
Density varies 124× across the county — from 26 people/sq mi in 72142 (Scott) to 3,269 in 72116 (North Little Rock).
Educational attainment ranges from 8.9% bachelor's+ in 72142 (Scott) to 71.5% in 72207 (Little Rock) — the breadth of educational profiles across the area.
Within Arkansas, this is the #1 most populous of 78 counties and ranks #8 for median household income .
Hosts 3 single-entity Unique ZIPs: 72199North Little Rock ; 72099Little Rock Air Force Base ; and 72255Bba Solutions .
Weighted by population, the typical household earns about $66,346 across the county — reflecting what a typical resident sees, not a simple ZIP average.
38.1% of adults age 25+ hold a bachelor's degree or higher (102,142 of 268,310 reporting). The most-educated ZIPs cluster around Little Rock.
21 Standard delivery, 21 PO Box only, 3 single-entity Unique ZIPs serve this county.
3 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
3 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.8× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 72076 | Jacksonville | Standard | 38,437 | $54,379 | 73.5 | -2.2% |
| 72120 | Sherwood | Standard | 34,365 | $76,598 | 63.5 | 11.1% |
| 72209 | Little Rock | Standard | 31,607 | $40,231 | 17.0 | -0.1% |
| 72204 | Little Rock | Standard | 30,525 | $40,882 | 16.9 | 0.1% |
| 72223 | Little Rock | Standard | 26,986 | $101,062 | 49.8 | 26.0% |
| 72113 | Maumelle | Standard | 25,596 | $79,248 | 34.1 | 15.8% |
| 72205 | Little Rock | Standard | 23,043 | $68,415 | 8.1 | 0.0% |
| 72118 | North Little Rock | Standard | 22,913 | $49,559 | 33.9 | -1.5% |
| 72206 | Little Rock | Standard | 22,667 | $52,132 | 123.1 | -9.2% |
| 72116 | North Little Rock | Standard | 22,464 | $79,010 | 6.9 | 3.8% |
| 72211 | Little Rock | Standard | 22,335 | $83,134 | 8.3 | 2.7% |
| 72210 | Little Rock | Standard | 15,621 | $69,453 | 50.3 | 7.9% |
| 72212 | Little Rock | Standard | 13,698 | $114,140 | 5.9 | -1.2% |
| 72117 | North Little Rock | Standard | 13,438 | $44,319 | 57.1 | 4.4% |
| 72227 | Little Rock | Standard | 11,284 | $73,879 | 4.2 | -7.2% |
| 72207 | Little Rock | Standard | 10,631 | $96,343 | 3.9 | 0.8% |
| 72114 | North Little Rock | Standard | 10,093 | $30,175 | 9.1 | -27.2% |
| 72202 | Little Rock | Standard | 9,704 | $50,899 | 8.4 | -13.4% |
| 72135 | Roland | Standard | 3,239 | $102,500 | 90.3 | 24.8% |
| 72142 | Scott | Standard | 2,557 | $62,863 | 97.0 | -10.5% |
| 72183 | Wrightsville | PO Box | 904 | — | 0.0 | — |
| 72201 | Little Rock | Standard | 795 | $115,174 | 1.4 | -16.7% |
| 72099 | Little Rock Air Force Base | Unique | 629 | — | 7.6 | 13.1% |
| 72180 | Woodson | PO Box | 89 | — | 0.0 | — |
| 72053 | College Station | PO Box | 21 | — | 0.0 | — |
| 72199 | North Little Rock | Unique | 18 | — | 18.8 | — |
| 72119 | North Little Rock | PO Box | 0 | — | 0.0 | -100.0% |
| 72115 | North Little Rock | PO Box | — | — | 0.0 | — |
| 72190 | North Little Rock | PO Box | — | — | 0.0 | — |
| 72255 | Little Rock | Unique | — | — | 0.0 | — |
| 72225 | Little Rock | PO Box | — | — | 0.0 | — |
| 72215 | Little Rock | PO Box | — | — | 0.0 | — |
| 72222 | Little Rock | PO Box | — | — | 0.0 | — |
| 72221 | Little Rock | PO Box | — | — | 0.0 | — |
| 72217 | Little Rock | PO Box | — | — | 0.0 | — |
| 72164 | Sweet Home | PO Box | — | — | 0.0 | — |
| 72260 | Little Rock | PO Box | — | — | 0.0 | — |
| 72219 | Little Rock | PO Box | — | — | 0.0 | — |
| 72216 | Little Rock | PO Box | — | — | 0.0 | — |
| 72214 | Little Rock | PO Box | — | — | 0.0 | — |
| 72295 | Little Rock | PO Box | — | — | 0.0 | — |
| 72203 | Little Rock | PO Box | — | — | 0.0 | — |
| 72231 | Little Rock | PO Box | — | — | 0.0 | — |
| 72124 | North Little Rock | PO Box | — | — | 0.0 | — |
| 72078 | Jacksonville | PO Box | — | — | 0.0 | — |