County Maps US

Irwin County, Georgia

A county in Georgia, ranked 129 of 159 by population.

CountyFIPS 13155

Within Georgia
Irwin County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Ocilla, the county seat, located via the 2025 Census Gazetteer.

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Population
9,020
-626 (-6.5%) since 2020
Land area
354.4
square miles. A further 2.3% of the total area is water
Population density
25.5
people per square mile, computed rather than published
County seat
Ocilla
Seat of county government.
Established
1818
207 years ago
Largest city
Ocilla city
Population 2,837.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Irwin County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Irwin County, Georgia from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 583 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Irwin County ranks

Position among the 159 counties of Georgia, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn GeorgiaNationally
Population9,020129th of 1592,489th of 3,144
Land area354.4 sq mi74th of 1592,674th of 3,144
Population density25.5 per sq mi133rd of 1592,052nd of 3,144
Median household income$51,384118th of 1592,699th of 3,143

Full data for Irwin County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population9,020Vintage 2025 Population Estimates
Population in 20209,646Vintage 2025 Population Estimates
2020 estimates base?9,664Vintage 2025 Population Estimates
Land area354.4 sq mi2025 Gazetteer Files
Water area8.4 sq mi2025 Gazetteer Files
Total area362.8 sq mi2025 Gazetteer Files
Population density?25.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$51,384American Community Survey 2020-2024 5-Year Estimates
Median home value$105,600American Community Survey 2020-2024 5-Year Estimates
Median age40.3American Community Survey 2020-2024 5-Year Estimates
Households3,589American Community Survey 2020-2024 5-Year Estimates
Housing units4,223American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-39
85 births, 124 deaths
Net migration
-94
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 5 areas bordering Irwin County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Ben Hill CountyGeorgia37 mi17,099
Coffee CountyGeorgia20 mi44,407
Tift CountyGeorgia16 mi42,254
Turner CountyGeorgia15 mi8,983
Berrien CountyGeorgia11 mi18,932

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 159 counties of Georgia

Open the interactive Georgia county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.