| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 478 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:03 PM |
| Population: | 49,334 [See All] |
| FIPS: | 13175 |
| CBSA: | Dublin, GA |
| Land Area: | 735 sq mi |
| Water Area: | 10 sq mi |
| Coordinates: | 32.4584, -82.9638 |
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49,334 residents live across 9 ZIPs covering 735 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 47,740 to 49,334 from 2014 to 2024 — a +3.3% change. 5 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 31009 (Cadwell, $65,250 median) and poorest ZIP 31019 (Dexter, $47,944) are 9.6 miles apart — a 1.4× income gap across local geography.
Median home values vary 2.8× across this county — from $85,100 in 31027 (East Dublin) to $236,600 in 31065 (Montrose).
Density varies 14× across the county — from 9 people/sq mi in 30454 (Rockledge) to 118 in 31021 (Dublin).
Educational attainment ranges from 6.9% bachelor's+ in 31065 (Montrose) to 35.1% in 31022 (Dudley) — the breadth of educational profiles across the area.
Within Georgia, this is the #45 most populous of 161 counties and ranks #93 for median household income .
Weighted by population, the typical household earns about $54,975 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.3% of adults age 25+ hold a bachelor's degree or higher (6,398 of 33,189 reporting).
8 Standard delivery, 1 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 31021 | Dublin | Standard | 28,190 | $55,697 | 239.3 | 1.3% |
| 31027 | East Dublin | Standard | 10,684 | $53,048 | 157.9 | 1.1% |
| 31019 | Dexter | Standard | 3,154 | $47,944 | 54.3 | 37.5% |
| 31075 | Rentz | Standard | 2,384 | $52,350 | 50.3 | -5.7% |
| 31022 | Dudley | Standard | 1,817 | $63,875 | 48.5 | 15.0% |
| 31065 | Montrose | Standard | 1,481 | — | 68.3 | 44.9% |
| 31009 | Cadwell | Standard | 1,276 | $65,250 | 76.5 | -16.5% |
| 30454 | Rockledge | Standard | 348 | $53,229 | 39.9 | -9.1% |
| 31040 | Dublin | PO Box | — | — | 0.0 | — |