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County · code 55015

Calumet CountyWisconsin

Calumet County is a county in Wisconsin, with its seat in Chilton. The county was created on December 7, 1836, from Brown County.

  • Founded1836
  • County seatChilton
  • Land area318 sq mi + 79 sq mi water
  • Population52,442 2020 Census
  • Parcels mapped29,378 checked 16 October 2026
Open the free map Click any parcel in Calumet County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Fond du LacWinnebagoManitowoc Chilton Census outline · seat marked

Where it is

Calumet on the map of Wisconsin

Wisconsin has 72 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAshland CountyBarron CountyBayfield CountyBrown CountyBuffalo CountyBurnett CountyChippewa CountyClark CountyColumbia CountyCrawford CountyDane CountyDodge CountyDoor CountyDouglas CountyDunn CountyEau Claire CountyFlorence CountyFond du Lac CountyForest CountyGrant CountyGreen CountyGreen Lake CountyIowa CountyIron CountyJackson CountyJefferson CountyJuneau CountyKenosha CountyKewaunee CountyLa Crosse CountyLafayette CountyLanglade CountyLincoln CountyManitowoc CountyMarathon CountyMarinette CountyMarquette CountyMenominee CountyMilwaukee CountyMonroe CountyOconto CountyOneida CountyOutagamie CountyOzaukee CountyPepin CountyPierce CountyPolk CountyPortage CountyPrice CountyRacine CountyRichland CountyRock CountyRusk CountySt. Croix CountySauk CountySawyer CountyShawano CountySheboygan CountyTaylor CountyTrempealeau CountyVernon CountyVilas CountyWalworth CountyWashburn CountyWashington CountyWaukesha CountyWaupaca CountyWaushara CountyWinnebago CountyWood CountyCalumet County Calumet
Counties of Wisconsin · Calumet highlighted

History

Formed in 1836 from Brown County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Calumet County was established by Wisconsin Territory from Brown County in 1836, initially not fully organized and attached to Brown for judicial purposes. The county went through multiple reorganizations between 1840 and 1842, alternating between independent organization and reattachment to Brown County for various purposes. In 1844, Calumet was detached from Brown County and attached to Fond du Lac County for judicial purposes, losing territory to both Fond du Lac and Winnebago counties. Calumet became a county in the state of Wisconsin in 1848, and was fully organized and detached from Fond du Lac County in 1850.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1836
    Calumet County created Calumet created by Wisconsin Territory from Brown; Calumet not fully organized, attached to Brown "for judicial purposes."
    from Brown
    · Wis. Terr. Laws 1836, no. 28, secs. 10, 14/p. 94
  2. 1840
    Lost territory Calumet lost to Fond du Lac and lost to creation of Winnebago.
    to Fond du Lacto Winnebago
    · Wis. Terr. Laws 1839-1840, no. 12, secs. 8-10/pp. 18-20; Wis. Terr. Laws 1841-1842, p. 74
  3. 1844
    Lost territory Calumet lost to Fond du Lac. Calumet detached from Brown, attached to Fond du Lac "for judicial purposes."
    to Fond du Lac. Calumetto Brownto Fond du Lac
    · Wis. Terr. Laws 1843-1844, pp. 8-11
  4. 1848
    Lost territory Calumet lost to Fond du Lac.
    to Fond du Lac.
    · Wis. Terr. Laws 1848, pp. 79-80
  5. 1848
    Became part of Wisconsin Calumet became a county in the state of Wisconsin. · U.S. Stat., vol. 9, ch. 89 [1846]/pp. 56-58, and ch. 50 [1848]/pp. 233-235; Van Zandt, 128, 130
Show all 10 changes (5 more)
  1. 1836
    Calumet County created Calumet created by Wisconsin Territory from Brown; Calumet not fully organized, attached to Brown "for judicial purposes."
    from Brown
    · Wis. Terr. Laws 1836, no. 28, secs. 10, 14/p. 94
  2. 1840
    Lost territory Calumet lost to Fond du Lac and lost to creation of Winnebago.
    to Fond du Lacto Winnebago
    · Wis. Terr. Laws 1839-1840, no. 12, secs. 8-10/pp. 18-20; Wis. Terr. Laws 1841-1842, p. 74
  3. 1840
    Changed Calumet organized "for all purposes of county government;" remained attached to Brown "for judicial purposes."
    Brown
    · Wis. Terr. Laws 1839-1840, no. 12, secs. 1-7/pp. 18-20
  4. 1840
    Changed Calumet's 2 March 1840 organization for county purposes was repealed; Calumet re-attached to Brown for all county and judicial purposes.
    Brown
    · Wis. Terr. Laws 1840, spec. sess., ch. 40, secs. 13-17/pp. 78-79
  5. 1842
    Changed Calumet's organization "for all purposes of county government" was reenacted; Calumet remained attached to Brown "for judicial purposes."
    Brown
    · Wis. Terr. Laws 1841-1842, p. 74
  6. 1844
    Lost territory Calumet lost to Fond du Lac. Calumet detached from Brown, attached to Fond du Lac "for judicial purposes."
    to Fond du Lac. Calumetto Brownto Fond du Lac
    · Wis. Terr. Laws 1843-1844, pp. 8-11
  7. 1848
    Lost territory Calumet lost to Fond du Lac.
    to Fond du Lac.
    · Wis. Terr. Laws 1848, pp. 79-80
  8. 1848
    Became part of Wisconsin Calumet became a county in the state of Wisconsin. · U.S. Stat., vol. 9, ch. 89 [1846]/pp. 56-58, and ch. 50 [1848]/pp. 233-235; Van Zandt, 128, 130
  9. 1850
    Changed Calumet fully organized, detached from Fond du Lac.
    Fond du Lac.
    · Wis. Laws 1850, ch. 84, secs. 1-2, 11/pp. 52-53; Wis. Laws 1852, ch. 278, sec. 1/p. 423
  10. 1858
    Changed Legislature authorized Outagamie to gain part of township 20 north, range 18 east from Calumet, dependent upon local referendum that failed (no change).
    Outagamie
    · Appleton Crescent, 17 Apr. 1858; Wis. Laws 1858, gen., ch. 28, secs. 1-8/pp. 30-31

Land and parcels

What the maps cover in Calumet

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Calumet by the Census

Population
52,442 2020 Census count
Housing units
21,511 2020 Census count
Land area
318 square miles
Water area
79 square miles
People per sq mi
165 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Permits

Zoning and code

GIS and maps

County government

See your own lot on these maps

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Questions

Common questions about Calumet County

When was Calumet County founded?
Calumet County was founded in 1836, formed from Brown County.
What is the county seat of Calumet County?
The county seat of Calumet County is Chilton.
Is there an online parcel map for Calumet County?
Yes. Calumet County publishes a parcel map of 29,378 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Calumet County's boundary or name changed?
Calumet County was created in 1836 from Brown County. Since then the Atlas of Historical County Boundaries records 8 later changes, chiefly involving Brown County, Fond du Lac County and Fond du Lac. County.
Who issues building permits in Calumet County?
The county's page on building permits: Boating Permit. Inside a city or town, ask that city first.
Who issues septic and well permits in Calumet County?
The county's page on septic systems and wells: Health Services.
Is my lot in a flood zone?
We do not have flood maps for Calumet County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door