Vermillion County area

Population and density of Vermillion County

The Census Bureau estimates that 15,488 people lived in Vermillion County on July 1, 2025. That ranks #2,131 of 3,222 county equivalents nationally and #80 of 92 in Indiana. Since the April 1, 2020 estimates base of 15,436, the population has grown by 52 (+0.3%), compared with +2.8% for Indiana as a whole.

With 256.9 square miles of land, that is 60 people per square mile (23 per km²), placing Vermillion County #1,384 nationally for density and #66 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 11 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 Vermillion County

7 incorporated places lie at least partly in Vermillion County. Together they are home to 8,846 people (57.1%); the other 6,642 (42.9%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Clinton city, with 4,771 residents in the county. The county seat, Newport town, has 410 residents. Among places with at least 1,000 residents in 2020, Fairview Park town grew fastest since then (+1.1%).

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

Metropolitan area

Vermillion County is an outlying county of the Terre Haute, IN Metropolitan Statistical Area. Its 4 county equivalents have 169,241 residents on 1,465.3 square miles of land; Vermillion County accounts for 17.5% of the land and 9.2% of the residents. By combined land it ranks #224 of 393 metropolitan areas, and #267 by population.

ZIP codes

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

47831478424784747854478754788447928479324796647974

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 Vermillion County

Vermillion County shares a land border with 6 county equivalents, including 2 in Illinois. Each of them has more land than Vermillion County. The largest neighbor is Vermilion County (898.3 mi²) and the smallest is Warren County (364.7 mi²). Together with its neighbors, Vermillion County forms a block of 3,387.2 mi² of land, of which it holds 7.6%.

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

Vermillion 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 times as much. Indiana’s county land could hold about 139 areas the size of Vermillion County.

Another way to picture it: the same land area would fill a square about 16 miles (25.8 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 Vermillion County?

Vermillion County has more land than 329 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 Vermillion County at #2,926 nationally by total area, 33 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 1.2%, 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 Vermillion 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.