County outline
Where Monroe County is located
Area breakdown
Land accounts for 99.5% of Monroe County’s measured area and water for 0.5%. Its combined area converts to 1,031.5 square kilometers or approximately 254,893 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 396.092 | 1,025.874 | 253,498.9 |
| Water | 2.179 | 5.644 | 1,394.6 |
| Total | 398.271 | 1,031.517 | 254,893.4 |
How Monroe County compares
By original Census land area, Monroe County ranks #57 of 159 in Georgia and #2542 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.156 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 Monroe County
The Census Bureau estimates that 32,023 people lived in Monroe County on July 1, 2025. That ranks #1,431 of 3,222 county equivalents nationally and #63 of 159 in Georgia. Since the April 1, 2020 estimates base of 27,959, the population has grown by 4,064 (+14.5%), compared with +5.5% for Georgia as a whole.
With 396.1 square miles of land, that is 81 people per square mile (31 per km²), placing Monroe County #1,147 nationally for density and #70 in Georgia. The median county equivalent has 47 people per square mile; the Georgia median is 69. Put another way, there are about 7.9 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 28,065 | 28,752 | 29,432 | 30,598 | 31,486 | 32,023 |
| Change | — | +687 | +680 | +1,166 | +888 | +537 |
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 Monroe County
2 incorporated places lie at least partly in Monroe County. Together they are home to 5,161 people (16.1%); the other 26,862 (83.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Forsyth city, with 4,952 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Forsyth cityCounty seat | 4,952 | +13.4% | 9.13 |
| Culloden city | 209 | +16.1% | 0.777 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Monroe County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Monroe County is an outlying county of the Macon-Bibb County, GA Metropolitan Statistical Area. Its 5 county equivalents have 238,553 residents on 1,723.6 square miles of land; Monroe County accounts for 23% of the land and 13.4% of the residents. By combined land it ranks #184 of 393 metropolitan areas, and #205 by population. It belongs to the Macon-Bibb County--Warner Robins, GA Combined Statistical Area.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Bibb County | 157,556 | 249.4 |
| Monroe County | 32,023 | 396.1 |
| Jones County | 29,171 | 393.9 |
| Crawford County | 12,206 | 324.9 |
| Twiggs County | 7,597 | 359.3 |
ZIP codes
10 ZIP Code Tabulation Areas have land in Monroe County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
30204302333100431016310293104631066310973121031220
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 Monroe County
Monroe County shares a land border with 7 county equivalents. It has more land than every one of them. The largest neighbor is Jones County (393.9 mi²) and the smallest is Lamar County (183.5 mi²). Together with its neighbors, Monroe County forms a block of 2,423.4 mi² of land, of which it holds 16.3%.
| Bordering county equivalent | Land mi² | Size vs. Monroe | Compare |
|---|---|---|---|
| Jones County | 393.9 | about the same | Compare |
| Jasper County | 368.4 | 1.1× smaller | Compare |
| Crawford County | 324.9 | 1.2× smaller | Compare |
| Upson County | 323.5 | 1.2× smaller | Compare |
| Bibb County | 249.4 | 1.6× smaller | Compare |
| Butts County | 183.7 | 2.2× smaller | Compare |
| Lamar County | 183.5 | 2.2× smaller | Compare |
How big is Monroe County compared with U.S. states?
Monroe County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.6 times as much. Georgia’s county land could hold about 146 areas the size of Monroe County.
Another way to picture it: the same land area would fill a square about 19.9 miles (32 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 Monroe County?
Monroe County has more land than 680 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 Monroe County at #2,609 nationally by total area, 67 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 0.5%, compared with a national county-equivalent median of 1.2% — 0.6 percentage points lower. 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 Monroe County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2541 | Norfolk County, Massachusetts | 396.1 | Compare |
| #2542 | Monroe County, Georgia | 396.1 | This county |
| #2543 | Cameron County, Pennsylvania | 396.1 | 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 33.018784, -83.921837. 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: 1,025,872,446 m²; AWATER: 5,643,846 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 Monroe County?
Monroe County, Georgia has 396.1 square miles (1,025.9 km²) of land and 2.179 square miles of water, for a total area of 398.3 square miles. It ranks #2542 of 3,222 U.S. county equivalents by land area.
Is Monroe County the largest county in Georgia?
No. Monroe County ranks #57 of 159 in Georgia by land area. The largest is Ware County, with 899.4 square miles of land.
What counties border Monroe County?
Monroe County shares a land border with Lamar County, Jones County, Crawford County, Bibb County, Butts County, Upson County, and Jasper County.
What is the population of Monroe County?
The Census Bureau estimates Monroe County had 32,023 residents on July 1, 2025, ranking #1,431 of 3,222 county equivalents. That is 81 people per square mile of land.
What is the county seat of Monroe County?
The county seat of Monroe County is Forsyth.
What cities and towns are in Monroe County?
Monroe County has 2 incorporated places. The most populous are Forsyth city and Culloden city; 26,862 residents live outside any incorporated place.
Is Monroe County part of a metropolitan area?
Yes. It is an outlying county of the Macon-Bibb County, GA Metropolitan Statistical Area, which has 5 county equivalents and 238,553 residents.
How many ZIP codes are in Monroe County?
10 ZIP Code Tabulation Areas have land in Monroe County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Monroe County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.6 times as much land.
How many acres of land are in Monroe County?
The land measurement converts to approximately 253,499 acres. Including water, total area is approximately 254,893 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.