Cook County, Georgia
County seat: Adel · Population 18,232 (2025) · 229 sq mi
Cook County is the 101st most populous of Georgia's 159 counties, with 18,232 people (2025 estimate). Its county seat is Adel. It is part of the Southern Georgia region, one of the 12 Georgia Regional Commissions. The map shows its 4 cities and towns and the 5 neighboring counties.

Cook County facts
- County seat
- Adel
- Population (2025 estimate)
- 18,232 +5.8% since 2020
- Land area
- 229 sq mi 129th largest of 159
- Water area
- 5 sq mi
- Population density
- 80 per sq mi
- Established
- 1918
- Named after
- Philip Cook United States Army officer and politician 1817-1894
- Largest city
- Adel 5,854
- Median household income
- $53,651
- Cities and towns
- 4
- ZIP codes
- 5
- Time zone
- Eastern
- FIPS code
- 13075
Cities and towns in Cook County
Cook County has 4 incorporated cities, towns and villages. Populations count the people living inside Cook County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Adel (county seat) | City | 5,854 | |
| Sparks | Town | 2,098 | |
| Lenox | Town | 752 | |
| Cecil | City | 293 |
ZIP codes in Cook County
5 ZIP codes reach into Cook County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 31620
- 31627
- 31632 also Lowndes County
- 31637 also Berrien, Colquitt and Tift counties
- 31647
Population of Cook County, 2020–2025
Cook County grew by 1,000 people (+5.8%) between April 2020 and July 2025: 23 more deaths than births and a net gain of 1,005 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 17,238 |
| 2021 | 17,258 |
| 2022 | 17,398 |
| 2023 | 17,760 |
| 2024 | 17,995 |
| 2025 | 18,232 |
Neighboring counties
- Berrien County northeast · 18,932 people
- Colquitt County west · 47,438 people
- Lowndes County southeast · 122,867 people
- Brooks County south · 16,101 people
- Tift County north · 42,254 people
Printable Cook 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) (77 KB)
- PNG (2400 px) (79 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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