Hutchinson County area

Hutchinson County, South Dakota covers 814.4 square miles: 813 square miles of land and 1.407 square miles of water. Its county seat is Olivet. An estimated 7,413 people lived there in 2025.

Official Census measurements · GEOID 460672026 Gazetteer · retrieved September 27, 2026
Land area813 mi²
Water area1.407 mi²
Population (2025)7,413
People per mi²9.1

County outline

Generalized outline of Hutchinson County, South Dakota
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Hutchinson County is located

Hutchinson County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.8% of Hutchinson County’s measured area and water for 0.2%. Its combined area converts to 2,109.3 square kilometers or approximately 521,229 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land813.0132,105.694520,328.3
Water1.4073.644900.5
Total814.422,109.338521,228.8

How Hutchinson County compares

By original Census land area, Hutchinson County ranks #39 of 66 in South Dakota and #1041 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.894 times the South Dakota county-equivalent median of 909.3 square miles. It accounts for 1.1% of the combined county land area in the state.

See the complete South Dakota ranking · What counts as a county equivalent?

Population and density of Hutchinson County

The Census Bureau estimates that 7,413 people lived in Hutchinson County on July 1, 2025. That ranks #2,700 of 3,222 county equivalents nationally and #25 of 66 in South Dakota. Since the April 1, 2020 estimates base of 7,426, the population has declined by 13 (−0.2%), compared with +5.5% for South Dakota as a whole.

With 813 square miles of land, that is 9.1 people per square mile (3.5 per km²), placing Hutchinson County #2,674 nationally for density and #22 in South Dakota. The median county equivalent has 47 people per square mile; the South Dakota median is 5.7. Put another way, there are about 70 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate7,4247,3777,3787,3977,4017,413
Change—−47+1+19+4+12

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 Hutchinson County

6 incorporated places lie at least partly in Hutchinson County. Together they are home to 4,251 people (57.3%); the other 3,162 (42.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Parkston city, with 1,540 residents in the county. The county seat, Olivet town, has 62 residents. By land, Freeman city is the largest at 1.489 mi².

Incorporated placePopulation 2025Since 2020Land mi²
Parkston city1,540−1.3%1.307
Freeman city1,305−2.2%1.489
Menno city622+0.8%0.521
Tripp city563−1.6%0.593
Dimock town159+16.1%0.172
Olivet townCounty seat62−3.1%0.141

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

Metropolitan area

Hutchinson County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

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

5702957043570455705257059573115731957330573315733257334573545736657376

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 Hutchinson County

Hutchinson County shares a land border with 8 county equivalents. It has more land than 7 of them. The largest neighbor is Charles Mix County (1,097.1 mi²) and the smallest is Douglas County (431.8 mi²). Together with its neighbors, Hutchinson County forms a block of 5,488.2 mi² of land, of which it holds 14.8%.

Map of Hutchinson County and the 8 county equivalents that border it Turner County, South Dakota: 617.1 mi² landBon Homme County, South Dakota: 563.5 mi² landDouglas County, South Dakota: 431.8 mi² landHanson County, South Dakota: 434.6 mi² landYankton County, South Dakota: 521.2 mi² landMcCook County, South Dakota: 574.2 mi² landDavison County, South Dakota: 435.6 mi² landCharles Mix County, South Dakota: 1,097.1 mi² land
Hutchinson County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. HutchinsonCompare
Charles Mix County1,097.11.3× largerCompare
Turner County617.11.3× smallerCompare
McCook County574.21.4× smallerCompare
Bon Homme County563.51.4× smallerCompare
Yankton County521.21.6× smallerCompare
Davison County435.61.9× smallerCompare
Hanson County434.61.9× smallerCompare
Douglas County431.81.9× smallerCompare

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

Hutchinson County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.3 times as much. South Dakota’s county land could hold about 93 areas the size of Hutchinson County.

Land area: Hutchinson County and the closest-sized states
Hutchinson County813 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 28.5 miles (45.9 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 Hutchinson County?

Hutchinson County has more land than 2,181 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Hutchinson County813 mi²
South Dakota median909.3 mi²
National median604.5 mi²

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 Hutchinson County at #1,146 nationally by total area, 105 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 0.2%, compared with a national county-equivalent median of 1.2% — 1 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 Hutchinson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1040Georgetown County, South Carolina813.6Compare
#1041Hutchinson County, South Dakota813This county
#1042Orange County, New York812.1Compare

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.

Representative coordinates

The Census internal point is 43.336710, -97.749383. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 2,105,694,658 m²; AWATER: 3,644,221 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Hutchinson County?

Hutchinson County, South Dakota has 813 square miles (2,105.7 km²) of land and 1.407 square miles of water, for a total area of 814.4 square miles. It ranks #1041 of 3,222 U.S. county equivalents by land area.

Is Hutchinson County the largest county in South Dakota?

No. Hutchinson County ranks #39 of 66 in South Dakota by land area. The largest is Meade County, with 3,470.9 square miles of land.

What counties border Hutchinson County?

Hutchinson County shares a land border with Turner County, Bon Homme County, Douglas County, Hanson County, Yankton County, McCook County, Davison County, and Charles Mix County.

What is the population of Hutchinson County?

The Census Bureau estimates Hutchinson County had 7,413 residents on July 1, 2025, ranking #2,700 of 3,222 county equivalents. That is 9.1 people per square mile of land.

What is the county seat of Hutchinson County?

The county seat of Hutchinson County is Olivet.

What cities and towns are in Hutchinson County?

Hutchinson County has 6 incorporated places. The most populous five are Parkston city, Freeman city, Menno city, Tripp city, and Dimock town; 3,162 residents live outside any incorporated place.

Is Hutchinson County part of a metropolitan area?

No. Hutchinson County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Hutchinson County?

14 ZIP Code Tabulation Areas have land in Hutchinson County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Hutchinson County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.3 times as much land.

How many acres of land are in Hutchinson County?

The land measurement converts to approximately 520,328 acres. Including water, total area is approximately 521,229 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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