Bibb County area

Population and density of Bibb County

The Census Bureau estimates that 157,556 people lived in Bibb County on July 1, 2025. That ranks #452 of 3,222 county equivalents nationally and #17 of 159 in Georgia. Since the April 1, 2020 estimates base of 157,358, the population has grown by 198 (+0.1%), compared with +5.5% for Georgia as a whole.

With 249.4 square miles of land, that is 632 people per square mile (244 per km²), placing Bibb County #276 nationally for density and #16 in Georgia. The median county equivalent has 47 people per square mile; the Georgia median is 69. Put another way, there are about 1 acres of land per resident.

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 Bibb County

Every resident of Bibb County lives within Macon-Bibb County. The city and the county equivalent cover the same territory, 249.4 square miles of land in the 2026 place Gazetteer, so there are no separate towns or unincorporated areas to list.

Metropolitan area

Bibb County is a central 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; Bibb County accounts for 14.5% of the land and 66% 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.

ZIP codes

13 ZIP Code Tabulation Areas have land in Bibb County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.

31020310523106631201312043120631207312103121131213312163121731220

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 Bibb County

Bibb County shares a land border with 5 county equivalents. Each of them has more land than Bibb County. The largest neighbor is Monroe County (396.1 mi²) and the smallest is Crawford County (324.9 mi²). Together with its neighbors, Bibb County forms a block of 2,099.8 mi² of land, of which it holds 11.9%.

How big is Bibb County compared with U.S. states?

Bibb County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 4.1 times as much. Georgia’s county land could hold about 231 areas the size of Bibb County.

Another way to picture it: the same land area would fill a square about 15.8 miles (25.4 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 Bibb County?

Bibb County has more land than 309 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 Bibb County at #2,939 nationally by total area, 26 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 2.2%, compared with a national county-equivalent median of 1.2% — 1 percentage points higher. 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 Bibb County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.