ZIP Codes of Douglas County, GA

149,553 residents live across 6 ZIPs covering 194 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 138,361 to 149,553 from 2014 to 2024 — a +8.1% change. 3 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 30187 (Winston, $101,702 median) and poorest ZIP 30122 (Lithia Springs, $69,257) are 15.3 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.3× across this county — from $262,500 in 30122 (Lithia Springs) to $330,100 in 30187 (Winston).

Density varies 4× across the county — from 263 people/sq mi in 30187 (Winston) to 1,060 in 30122 (Lithia Springs).

Most of the decade's growth concentrated around Douglasville — top growth ZIPs averaged +10.9% over the past ten years ( 30122 , 30135 and 30134 ).

Educational attainment ranges from 25.9% bachelor's+ in 30187 (Winston) to 33.7% in 30122 (Lithia Springs) — the breadth of educational profiles across the area.

Within Georgia, this is the #17 most populous of 161 counties and ranks #22 for median household income with the #53 fastest decade growth .

Weighted by population, the typical household earns about $84,637 across the county — reflecting what a typical resident sees, not a simple ZIP average.

29.9% of adults age 25+ hold a bachelor's degree or higher (29,309 of 97,995 reporting). The most-educated ZIPs cluster around Douglasville.

4 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.