Hancock County area

Population and density of Hancock County

The Census Bureau estimates that 90,969 people lived in Hancock County on July 1, 2025. That ranks #674 of 3,222 county equivalents nationally and #18 of 92 in Indiana. Since the April 1, 2020 estimates base of 79,828, the population has grown by 11,141 (+14%), compared with +2.8% for Indiana as a whole.

With 306 square miles of land, that is 297 people per square mile (115 per km²), placing Hancock County #514 nationally for density and #16 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 2.2 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 Hancock County

8 incorporated places lie at least partly in Hancock County. Together they are home to 55,003 people (60.5%); the other 35,966 (39.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Greenfield city, with 26,544 residents in the county. Among places with at least 1,000 residents in 2020, McCordsville town grew fastest since then (+48.5%).

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

Metropolitan area

Hancock County is a central county of the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. Its 11 county equivalents have 2,205,695 residents on 4,086 square miles of land; Hancock County accounts for 7.5% of the land and 4.1% of the residents. By combined land it ranks #71 of 393 metropolitan areas, and #33 by population. It belongs to the Indianapolis-Carmel-Muncie, IN Combined Statistical Area.

ZIP codes

16 ZIP Code Tabulation Areas have land in Hancock County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

46040460554605646064461154611746130461404615446161461634618646229462364623947384

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 Hancock County

Hancock County shares a land border with 6 county equivalents. Each of them has more land than Hancock County. The largest neighbor is Madison County (451.9 mi²) and the smallest is Henry County (391.9 mi²). Together with its neighbors, Hancock County forms a block of 2,759.4 mi² of land, of which it holds 11.1%.

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

Hancock County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 3.4 times as much. Indiana’s county land could hold about 117 areas the size of Hancock County.

Another way to picture it: the same land area would fill a square about 17.5 miles (28.2 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 Hancock County?

Hancock County has more land than 426 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 Hancock County at #2,837 nationally by total area, 41 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 0.3%, 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 Hancock 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.