ZIP Codes of Sumter County, GA

Population & People
Population & People
Total Population
29,489
Household Income
Household Income
Median Income
$52,714
Housing
Housing
Total Housing Units
13,716
Business & Economy
Business & Economy
Total Businesses
615
Employment
Employment
Employment Rate
54.49%
Education
Education
Bachelor's Degree+
21.62%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:229
Timezone:Eastern (GMT -05:00)
Local Time:2:11:48 PM
Population:29,489 [See All]
FIPS:13261
CBSA:Americus, GA
Land Area:543 sq mi
Water Area:12 sq mi
Coordinates:32.0233, -84.1554
Quick Link:
https://www.zip-codes.com/county/ga-sumter.asp
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Georgia's #64 most populous county
29,489 residents across 7 ZIPs — #64 of 161 Georgia counties.

Standout ZIPs in this County


Most Populous
Americus · 15,529 people
52.7% of county total
Highest Income
Leslie · $86,573 median
1.6× county average
Largest Land Area
Americus · 121.1 sq mi
Spans the most ground
Fastest Growth
Leslie · 31.3% (10-yr)
1,392 → 1,827 residents
Most Educated
Americus · 28.2% bachelor's+
2,566 of 9,088 adults 25+

Things worth knowing about Sumter County


29,489 residents live across 7 ZIPs covering 543 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 31,704 to 29,489 from 2014 to 2024 — a -7.0% change. 2 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 31764 (Leslie, $86,573 median) and poorest ZIP 31780 (Plains, $39,290) are 16.7 miles apart — a 2.2× income gap across local geography.

Median home values vary 4.8× across this county — from $46,700 in 31743 (De Soto) to $223,100 in 31735 (Cobb).

Density varies 19× across the county — from 7 people/sq mi in 31743 (De Soto) to 128 in 31709 (Americus).

Educational attainment ranges from 4.4% bachelor's+ in 31711 (Andersonville) to 32.9% in 31735 (Cobb) — the breadth of educational profiles across the area.

Within Georgia, this is the #64 most populous of 161 counties and ranks #118 for median household income .

Weighted by population, the typical household earns about $45,385 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.6% of adults age 25+ hold a bachelor's degree or higher (4,074 of 18,841 reporting).

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

Stories about Sumter 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
543
square miles
Avg density
54.3
people per sq mi
Population
29,489
across 7 ZIPs
Americus
121.1 sq mi
15,529 residents
Americus
101.5 sq mi
8,533 residents
Plains
91.0 sq mi
1,767 residents

Population decline

Sumter County lost 7.0% of residents between 2014 and 2024. ZIPs that shed the largest share:

Cobb
-38.5%
883 → 543 residents
De Soto
-26.1%
567 → 419 residents
Americus
-15.7%
10,121 → 8,533 residents

All ZIP Codes in Sumter County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
31709AmericusStandard15,529$41,531121.1-3.2%
31719AmericusStandard8,533$42,905101.5-15.7%
31764LeslieStandard1,827$86,57372.931.3%
31780PlainsStandard1,767$39,29091.0-7.3%
31711AndersonvilleStandard871$57,03169.59.6%
31735CobbStandard543$60,00024.4-38.5%
31743De SotoStandard419$41,66762.4-26.1%

Adjacent & Nearby Counties