County outline
Where Sheboygan County is located
Area breakdown
Land accounts for 40.2% of Sheboygan County’s measured area and water for 59.8%. Its combined area converts to 3,292.5 square kilometers or approximately 813,594 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 511.519 | 1,324.828 | 327,372.2 |
| Water | 759.722 | 1,967.671 | 486,222.1 |
| Total | 1,271.241 | 3,292.499 | 813,594.2 |
How Sheboygan County compares
By original Census land area, Sheboygan County ranks #57 of 72 in Wisconsin and #2036 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.679 times the Wisconsin county-equivalent median of 753 square miles. It accounts for 0.9% of the combined county land area in the state.
See the complete Wisconsin ranking · What counts as a county equivalent?
Population and density of Sheboygan County
The Census Bureau estimates that 118,047 people lived in Sheboygan County on July 1, 2025. That ranks #553 of 3,222 county equivalents nationally and #13 of 72 in Wisconsin. Since the April 1, 2020 estimates base of 118,034, the population has grown by 13 (+0%), compared with +1.3% for Wisconsin as a whole.
With 511.5 square miles of land, that is 231 people per square mile (89 per km²), placing Sheboygan County #598 nationally for density and #13 in Wisconsin. The median county equivalent has 47 people per square mile; the Wisconsin median is 51. Put another way, there are about 2.8 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 118,040 | 117,681 | 117,787 | 117,891 | 118,091 | 118,047 |
| Change | — | −359 | +106 | +104 | +200 | −44 |
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 Sheboygan County
Sheboygan County is divided into 28 cities and towns. In Wisconsin, county subdivisions are local governments, and together they cover all of the county’s land and residents.
The most populous is Sheboygan city, with 49,376 residents (41.8% of the county). The largest by land is Greenbush town, at 47 mi², or 9.2% of the county’s land. Among those with at least 1,000 residents in 2020, Sheboygan Falls city grew fastest since then (+5.9%).
| County subdivision | Population 2025 | Since 2020 | Land mi² | Share of county land |
|---|---|---|---|---|
| Sheboygan cityCounty seat | 49,376 | −1.1% | 16.2 | 3.2% |
| Plymouth city | 8,821 | −1.4% | 5.544 | 1.1% |
| Sheboygan Falls city | 8,687 | +5.9% | 5.517 | 1.1% |
| Sheboygan townCounty seat | 8,615 | +5.5% | 10.5 | 2% |
| Wilson town | 3,401 | −2.1% | 20.9 | 4.1% |
| Howards Grove village | 3,190 | −1.5% | 2.225 | 0.4% |
| Oostburg village | 3,056 | −0.1% | 2.027 | 0.4% |
| Plymouth town | 3,038 | −1% | 29.9 | 5.9% |
| Lima town | 2,920 | −1.1% | 35.6 | 7% |
| Kohler village | 2,272 | +3.9% | 5.318 | 1% |
| Greenbush town | 2,235 | −10.8% | 47 | 9.2% |
| Holland town | 2,229 | −1.8% | 40.4 | 7.9% |
| Herman town | 2,160 | +0.2% | 33.8 | 6.6% |
| Rhine town | 2,123 | −0.5% | 33.3 | 6.5% |
| Cedar Grove village | 2,083 | −0.7% | 2.389 | 0.5% |
Show the other 13 subdivisions
| Name | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Sheboygan Falls town | 1,838 | +0.4% | 30.8 |
| Scott town | 1,725 | −1.9% | 36.1 |
| Random Lake village | 1,572 | +0.6% | 1.508 |
| Lyndon town | 1,545 | +1.2% | 33.8 |
| Sherman town | 1,444 | −0.5% | 33.8 |
| Mitchell town | 1,293 | −1.1% | 36 |
| Elkhart Lake village | 1,190 | +25.9% | 1.395 |
| Mosel town | 741 | −0.4% | 21.1 |
| Cascade village | 704 | −2.8% | 0.823 |
| Adell village | 483 | −3.2% | 0.558 |
| Waldo village | 480 | +2.8% | 0.973 |
| Glenbeulah village | 452 | −1.5% | 0.695 |
| Russell town | 374 | −3.4% | 23.3 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Sheboygan County. Land: 2026 Census Gazetteer. How communities are listed.
Metropolitan area
Sheboygan County is a central county of the Sheboygan, WI Metropolitan Statistical Area. Sheboygan County is the area’s only county equivalent, so the metro area has the same 511.5 square miles of land. By combined land it ranks #357 of 393 metropolitan areas, and #341 by population.
ZIP codes
18 ZIP Code Tabulation Areas have land in Sheboygan County; 14 of them have most of their land inside the county, and the others mainly cover neighboring areas.
530015301153013530155302053021530235303153040530445307053073530755307953081530835308553093
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 Sheboygan County
Sheboygan County shares a land border with 5 county equivalents. It has more land than 3 of them. The largest neighbor is Fond du Lac County (719.6 mi²) and the smallest is Ozaukee County (233 mi²). Together with its neighbors, Sheboygan County forms a block of 2,802.3 mi² of land, of which it holds 18.3%.
| Bordering county equivalent | Land mi² | Size vs. Sheboygan | Compare |
|---|---|---|---|
| Fond du Lac County | 719.6 | 1.4× larger | Compare |
| Manitowoc County | 589.3 | 1.2× larger | Compare |
| Washington County | 430.6 | 1.2× smaller | Compare |
| Calumet County | 318.3 | 1.6× smaller | Compare |
| Ozaukee County | 233 | 2.2× smaller | Compare |
How big is Sheboygan County compared with U.S. states?
Sheboygan 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 times as much. Wisconsin’s county land could hold about 106 areas the size of Sheboygan County.
Another way to picture it: the same land area would fill a square about 22.6 miles (36.4 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 Sheboygan County?
Sheboygan County has more land than 1,186 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 Sheboygan County at #550 nationally by total area, 1,486 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.
Its water share is 59.8%, compared with a national county-equivalent median of 1.2% — 58.6 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 Sheboygan County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2035 | Rowan County, North Carolina | 511.6 | Compare |
| #2036 | Sheboygan County, Wisconsin | 511.5 | This county |
| #2037 | Fremont County, Iowa | 511.2 | Compare |
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 43.738713, -87.731531. 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: 1,324,828,380 m²; AWATER: 1,967,670,396 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Sheboygan County?
Sheboygan County, Wisconsin has 511.5 square miles (1,324.8 km²) of land and 759.7 square miles of water, for a total area of 1,271.2 square miles. It ranks #2036 of 3,222 U.S. county equivalents by land area.
Is Sheboygan County the largest county in Wisconsin?
No. Sheboygan County ranks #57 of 72 in Wisconsin by land area. The largest is Marathon County, with 1,545.2 square miles of land.
What counties border Sheboygan County?
Sheboygan County shares a land border with Fond du Lac County, Manitowoc County, Ozaukee County, Calumet County, and Washington County.
What is the population of Sheboygan County?
The Census Bureau estimates Sheboygan County had 118,047 residents on July 1, 2025, ranking #553 of 3,222 county equivalents. That is 231 people per square mile of land.
What is the county seat of Sheboygan County?
The county seat of Sheboygan County is Sheboygan.
What cities and towns are in Sheboygan County?
Sheboygan County has 28 county subdivisions (cities, towns and townships). The most populous five are Sheboygan city, Plymouth city, Sheboygan Falls city, Sheboygan town, and Wilson town.
Is Sheboygan County part of a metropolitan area?
Yes. It is a central county of the Sheboygan, WI Metropolitan Statistical Area.
How many ZIP codes are in Sheboygan County?
18 ZIP Code Tabulation Areas have land in Sheboygan County, and 14 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Sheboygan County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2 times as much land.
How many acres of land are in Sheboygan County?
The land measurement converts to approximately 327,372 acres. Including water, total area is approximately 813,594 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.