Greene County area

Population and density of Greene County

The Census Bureau estimates that 309,286 people lived in Greene County on July 1, 2025. That ranks #240 of 3,222 county equivalents nationally and #4 of 115 in Missouri. Since the April 1, 2020 estimates base of 298,916, the population has grown by 10,370 (+3.5%), compared with +1.9% for Missouri as a whole.

With 675.3 square miles of land, that is 458 people per square mile (177 per km²), placing Greene County #368 nationally for density and #6 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 1.4 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 Greene County

9 incorporated places lie at least partly in Greene County. Together they are home to 212,908 people (68.8%); the other 96,378 (31.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Springfield city, with 169,845 residents in the county (the city extends into 1 other county). Among places with at least 1,000 residents in 2020, Republic city grew fastest since then (+20.3%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Greene County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Greene County is a central county of the Springfield, MO Metropolitan Statistical Area. Its 5 county equivalents have 500,694 residents on 3,007 square miles of land; Greene County accounts for 22.5% of the land and 61.8% of the residents. By combined land it ranks #98 of 393 metropolitan areas, and #112 by population.

ZIP codes

23 ZIP Code Tabulation Areas have land in Greene County; 16 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6560465610656126561765619656486570665721657256573865742657576577065781658016580265803658046580665807658096581065897

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 Greene County

Greene County shares a land border with 6 county equivalents. It has more land than every one of them. The largest neighbor is Polk County (635.5 mi²) and the smallest is Dade County (490 mi²). Together with its neighbors, Greene County forms a block of 4,108.7 mi² of land, of which it holds 16.4%.

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

Greene County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. Missouri’s county land could hold about 102 areas the size of Greene County.

Another way to picture it: the same land area would fill a square about 26 miles (41.8 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 Greene County?

Greene County has more land than 1,830 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 Greene County at #1,500 nationally by total area, 108 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 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 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 Greene 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.