Irwin County, Georgia
County seat: Ocilla · Population 9,020 (2025) · 354 sq mi
Irwin County is the 129th most populous of Georgia's 159 counties, with 9,020 people (2025 estimate). Its county seat is Ocilla. It is part of the Southern Georgia region, one of the 12 Georgia Regional Commissions. The map shows its 2 cities and towns and the 5 neighboring counties.
Irwin County facts
- County seat
- Ocilla
- Population (2025 estimate)
- 9,020 −6.7% since 2020
- Land area
- 354 sq mi 74th largest of 159
- Water area
- 8 sq mi
- Population density
- 26 per sq mi
- Established
- 1818
- Largest city
- Ocilla 2,837
- Median household income
- $51,384
- Cities and towns
- 2
- ZIP codes
- 7
- Time zone
- Eastern
- FIPS code
- 13155
Cities and towns in Irwin County
Irwin County has 2 incorporated cities, towns and villages. Populations count the people living inside Irwin County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Ocilla (county seat) | City | 2,837 | |
| Fitzgerald | City | 0 | Ben Hill County |
ZIP codes in Irwin County
7 ZIP codes reach into Irwin County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 31733 also Tift County
- 31749 also Berrien and Tift counties
- 31750 also Ben Hill and Wilcox counties
- 31774
- 31783 also Turner and Ben Hill counties
- 31790 also Turner and Tift counties
- 31798 also Coffee and Ben Hill counties
Population of Irwin County, 2020–2025
Irwin County shrank by 644 people (−6.7%) between April 2020 and July 2025: 255 more deaths than births and a net loss of 393 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 9,646 |
| 2021 | 9,356 |
| 2022 | 9,126 |
| 2023 | 9,118 |
| 2024 | 9,155 |
| 2025 | 9,020 |
Neighboring counties
- Ben Hill County northeast · 17,099 people
- Coffee County east · 44,407 people
- Tift County southwest · 42,254 people
- Turner County west · 8,983 people
- Berrien County south · 18,932 people
Printable Irwin County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (73 KB)
- PNG (2400 px) (58 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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