County outline
Where Gilmer County is located
Area breakdown
Land accounts for 98.9% of Gilmer County’s measured area and water for 1.1%. Its combined area converts to 1,116.1 square kilometers or approximately 275,804 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 426.181 | 1,103.804 | 272,755.8 |
| Water | 4.763 | 12.336 | 3,048.3 |
| Total | 430.944 | 1,116.14 | 275,804.2 |
How Gilmer County compares
By original Census land area, Gilmer County ranks #50 of 159 in Georgia and #2383 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.244 times the Georgia county-equivalent median of 342.7 square miles. It accounts for 0.7% of the combined county land area in the state.
See the complete Georgia ranking · What counts as a county equivalent?
Population and density of Gilmer County
The Census Bureau estimates that 33,894 people lived in Gilmer County on July 1, 2025. That ranks #1,379 of 3,222 county equivalents nationally and #59 of 159 in Georgia. Since the April 1, 2020 estimates base of 31,343, the population has grown by 2,551 (+8.1%), compared with +5.5% for Georgia as a whole.
With 426.2 square miles of land, that is 80 people per square mile (31 per km²), placing Gilmer County #1,164 nationally for density and #75 in Georgia. The median county equivalent has 47 people per square mile; the Georgia median is 69. Put another way, there are about 8 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 31,420 | 32,086 | 32,382 | 32,849 | 33,491 | 33,894 |
| Change | — | +666 | +296 | +467 | +642 | +403 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Gilmer County
2 incorporated places lie at least partly in Gilmer County. Together they are home to 3,824 people (11.3%); the other 30,070 (88.7%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Ellijay city, with 2,008 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Ellijay cityCounty seat | 2,008 | +7.5% | 3.617 |
| East Ellijay city | 1,816 | +179% | 3.282 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Gilmer County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Gilmer County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
6 ZIP Code Tabulation Areas have land in Gilmer County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.
301753051330522305363053930540
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Gilmer County
Gilmer County shares a land border with 5 county equivalents. It has more land than every one of them. The largest neighbor is Fannin County (387.2 mi²) and the smallest is Dawson County (210.8 mi²). Together with its neighbors, Gilmer County forms a block of 1,957.2 mi² of land, of which it holds 21.8%.
| Bordering county equivalent | Land mi² | Size vs. Gilmer | Compare |
|---|---|---|---|
| Fannin County | 387.2 | 1.1× smaller | Compare |
| Gordon County | 356.5 | 1.2× smaller | Compare |
| Murray County | 344.5 | 1.2× smaller | Compare |
| Pickens County | 232.1 | 1.8× smaller | Compare |
| Dawson County | 210.8 | 2× smaller | Compare |
How big is Gilmer County compared with U.S. states?
Gilmer County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.4 times as much. Georgia’s county land could hold about 135 areas the size of Gilmer County.
Another way to picture it: the same land area would fill a square about 20.6 miles (33.2 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Gilmer County?
Gilmer County has more land than 839 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Gilmer County at #2,442 nationally by total area, 59 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 1.1%, compared with a national county-equivalent median of 1.2%. The two percentages are within 0.1 percentage points of each other. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Gilmer County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2382 | Ashe County, North Carolina | 426.3 | Compare |
| #2383 | Gilmer County, Georgia | 426.2 | This county |
| #2384 | Butler County, Kentucky | 426.1 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 34.690522, -84.454812. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,103,804,467 m²; AWATER: 12,337,138 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Gilmer County?
Gilmer County, Georgia has 426.2 square miles (1,103.8 km²) of land and 4.763 square miles of water, for a total area of 430.9 square miles. It ranks #2383 of 3,222 U.S. county equivalents by land area.
Is Gilmer County the largest county in Georgia?
No. Gilmer County ranks #50 of 159 in Georgia by land area. The largest is Ware County, with 899.4 square miles of land.
What counties border Gilmer County?
Gilmer County shares a land border with Fannin County, Murray County, Pickens County, Dawson County, and Gordon County.
What is the population of Gilmer County?
The Census Bureau estimates Gilmer County had 33,894 residents on July 1, 2025, ranking #1,379 of 3,222 county equivalents. That is 80 people per square mile of land.
What is the county seat of Gilmer County?
The county seat of Gilmer County is Ellijay.
What cities and towns are in Gilmer County?
Gilmer County has 2 incorporated places. The most populous are Ellijay city and East Ellijay city; 30,070 residents live outside any incorporated place.
Is Gilmer County part of a metropolitan area?
No. Gilmer County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Gilmer County?
6 ZIP Code Tabulation Areas have land in Gilmer County, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Gilmer County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.4 times as much land.
How many acres of land are in Gilmer County?
The land measurement converts to approximately 272,756 acres. Including water, total area is approximately 275,804 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.