Dubois County area

Population and density of Dubois County

The Census Bureau estimates that 44,016 people lived in Dubois County on July 1, 2025. That ranks #1,137 of 3,222 county equivalents nationally and #36 of 92 in Indiana. Since the April 1, 2020 estimates base of 43,627, the population has grown by 389 (+0.9%), compared with +2.8% for Indiana as a whole.

With 427.3 square miles of land, that is 103 people per square mile (40 per km²), placing Dubois County #965 nationally for density and #40 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 6.2 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 Dubois County

5 incorporated places lie at least partly in Dubois County. Together they are home to 27,069 people (61.5%); the other 16,947 (38.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Jasper city, with 17,279 residents in the county. Among places with at least 1,000 residents in 2020, Ferdinand town grew fastest since then (+4.3%).

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

Metropolitan area

Dubois County is a central county of the Jasper, IN Micropolitan Statistical Area. Dubois County is the area’s only county equivalent, so the micro area has the same 427.3 square miles of land. By combined land it ranks #467 of 542 micropolitan areas, and #286 by population.

ZIP codes

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

47432475134752147523475274753247541475424754647564475754758047590

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 Dubois County

Dubois County shares a land border with 8 county equivalents. It has more land than 7 of them. The largest neighbor is Daviess County (429.5 mi²) and the smallest is Crawford County (305.6 mi²). Together with its neighbors, Dubois County forms a block of 3,394.1 mi² of land, of which it holds 12.6%.

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

Dubois County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.4 times as much. Indiana’s county land could hold about 84 areas the size of Dubois County.

Another way to picture it: the same land area would fill a square about 20.7 miles (33.3 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 Dubois County?

Dubois County has more land than 845 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 Dubois County at #2,416 nationally by total area, 39 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 1.9%, compared with a national county-equivalent median of 1.2% — 0.7 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 Dubois 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.