ZIP Codes of Tattnall County, GA

Population & People
Population & People
Total Population
26,207
Household Income
Household Income
Median Income
$48,218
Housing
Housing
Total Housing Units
10,222
Business & Economy
Business & Economy
Total Businesses
336
Employment
Employment
Employment Rate
42.90%
Education
Education
Bachelor's Degree+
15.05%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (4 Standard, 1 PO Box, 1 Unique) [See All]
Area Code:912
Timezone:Eastern (GMT -05:00)
Local Time:2:11:48 PM
Population:26,207 [See All]
FIPS:13267
Land Area:571 sq mi
Water Area:9 sq mi
Coordinates:32.0924, -82.0870
Quick Link:
https://www.zip-codes.com/county/ga-tattnall.asp
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Georgia's #73 most populous county
26,207 residents across 6 ZIPs — #73 of 161 Georgia counties.

Standout ZIPs in this County


Most Populous
Glennville · 12,531 people
47.8% of county total
Highest Income
Collins · $57,338 median
1.2× county average
Largest Land Area
Glennville · 266.1 sq mi
Spans the most ground
Fastest Growth
Cobbtown · 71.7% (10-yr)
1,101 → 1,890 residents
Most Educated
Collins · 24.3% bachelor's+
551 of 2,271 adults 25+

Things worth knowing about Tattnall County


26,207 residents live across 6 ZIPs covering 571 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 27,384 to 26,207 from 2014 to 2024 — a -4.3% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 30421 (Collins, $57,338 median) and poorest ZIP 30420 (Cobbtown, $40,563) are 9.0 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.6× across this county — from $103,200 in 30421 (Collins) to $162,100 in 30427 (Glennville).

Density varies across the county — from 27 people/sq mi in 30420 (Cobbtown) to 63 in 30453 (Reidsville).

Educational attainment ranges from 6.4% bachelor's+ in 30420 (Cobbtown) to 24.3% in 30421 (Collins) — the breadth of educational profiles across the area.

Within Georgia, this is the #73 most populous of 161 counties and ranks #144 for median household income .

Hosts 1 single-entity Unique ZIP: 30499Georgia State Penitentiary .

Weighted by population, the typical household earns about $49,060 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.1% of adults age 25+ hold a bachelor's degree or higher (2,713 of 18,025 reporting).

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

Stories about Tattnall County


Big & sparse

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.

Total area
571
square miles
Avg density
45.9
people per sq mi
Population
26,207
across 6 ZIPs
Glennville
266.1 sq mi
12,531 residents
Reidsville
134.1 sq mi
8,506 residents
Collins
101.4 sq mi
3,280 residents

All ZIP Codes in Tattnall County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
30427GlennvilleStandard12,531$52,958266.13.9%
30453ReidsvilleStandard8,506$42,013134.1-17.9%
30421CollinsStandard3,280$57,338101.4-15.0%
30420CobbtownStandard1,890$40,56369.471.7%
30438ManassasPO Box0.0
30499ReidsvilleUnique0.0

Adjacent & Nearby Counties