ZIP Codes of Grady County, GA

Population & People
Population & People
Total Population
23,660
Household Income
Household Income
Median Income
$56,571
Housing
Housing
Total Housing Units
10,205
Business & Economy
Business & Economy
Total Businesses
415
Employment
Employment
Employment Rate
55.23%
Education
Education
Bachelor's Degree+
15.67%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:229
Timezone:Eastern (GMT -05:00)
Local Time:11:53:02 PM
Population:23,660 [See All]
FIPS:13131
CBSA:Thomasville, GA
Land Area:347 sq mi
Water Area:4 sq mi
Coordinates:30.8462, -84.2828
Quick Link:
https://www.zip-codes.com/county/ga-grady.asp
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Georgia's #76 most populous county
23,660 residents across 4 ZIPs — #76 of 161 Georgia counties.

Standout ZIPs in this County


Most Populous
Cairo · 15,423 people
65.2% of county total
Highest Income
Cairo · $61,172 median
1.1× county average
Largest Land Area
Whigham · 139.5 sq mi
Spans the most ground
Fastest Growth
Cairo · 8.8% (10-yr)
4,346 → 4,730 residents
Most Educated
Cairo · 19.1% bachelor's+
610 of 3,186 adults 25+

Things worth knowing about Grady County


23,660 residents live across 4 ZIPs covering 347 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 23,097 to 23,660 from 2014 to 2024 — a +2.4% change. 3 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 39827 (Cairo, $61,172 median) and poorest ZIP 39828 (Cairo, $53,901) are 11.0 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.1× across this county — from $137,800 in 39828 (Cairo) to $158,000 in 39827 (Cairo).

Density varies across the county — from 25 people/sq mi in 39897 (Whigham) to 113 in 39828 (Cairo).

Educational attainment ranges from 14.4% bachelor's+ in 39828 (Cairo) to 19.1% in 39827 (Cairo) — the breadth of educational profiles across the area.

Within Georgia, this is the #76 most populous of 161 counties and ranks #89 for median household income .

Weighted by population, the typical household earns about $55,464 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.7% of adults age 25+ hold a bachelor's degree or higher (2,477 of 15,811 reporting). The most-educated ZIPs cluster around Cairo.

3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Grady County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Cairo

All ZIP Codes in Grady County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
39828CairoStandard15,423$53,901136.71.1%
39827CairoStandard4,730$61,17270.68.8%
39897WhighamStandard3,507$54,639139.50.5%
39829CalvaryPO Box0.0

Adjacent & Nearby Counties