Green County area

Population and density of Green County

The Census Bureau estimates that 11,644 people lived in Green County on July 1, 2025. That ranks #2,379 of 3,222 county equivalents nationally and #92 of 120 in Kentucky. Since the April 1, 2020 estimates base of 11,106, the population has grown by 538 (+4.8%), compared with +2.2% for Kentucky as a whole.

With 286 square miles of land, that is 41 people per square mile (16 per km²), placing Green County #1,738 nationally for density and #85 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 16 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 Green County

1 incorporated place lies at least partly in Green County. Together they are home to 2,248 people (19.3%); the other 9,396 (80.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Greensburg city, with 2,248 residents in the county.

Metropolitan area

Green County is an outlying county of the Campbellsville, KY Micropolitan Statistical Area. Its 2 county equivalents have 38,407 residents on 552.4 square miles of land; Green County accounts for 51.8% of the land and 30.3% of the residents. By combined land it ranks #401 of 542 micropolitan areas, and #343 by population.

ZIP codes

8 ZIP Code Tabulation Areas have land in Green County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

4221442716427184274342746427574276442782

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 Green County

Green County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Hart County (412.7 mi²) and the smallest is Larue County (261.1 mi²). Together with its neighbors, Green County forms a block of 1,921.1 mi² of land, of which it holds 14.9%.

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

Green County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 3.6 times as much. Kentucky’s county land could hold about 138 areas the size of Green County.

Another way to picture it: the same land area would fill a square about 16.9 miles (27.2 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 Green County?

Green County has more land than 392 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 Green County at #2,864 nationally by total area, 34 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%, compared with a national county-equivalent median of 1.2% — 0.2 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 Green 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.