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County · code 55077

Marquette CountyWisconsin

Marquette County is in Wisconsin, with its county seat at Montello. It was created from Brown and Fond du Lac Counties on December 7, 1836, and named after Jacques Marquette.

  • Founded1836
  • County seatMontello
  • Named forJacques Marquette
  • Land area456 sq mi + 8.8 sq mi water
  • Population15,592 2020 Census
  • Parcels mapped22,032 checked 16 October 2026
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Updated

Green LakeColumbiaAdams Montello Census outline · seat marked

Where it is

Marquette 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 CountyCalumet 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 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 CountyMarquette County Marquette
Counties of Wisconsin · Marquette highlighted

History

Formed in 1836 from Brown County and Fond du Lac County

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

Marquette County was created by Wisconsin Territory from Brown County, though it overlapped with Fond du Lac County in a western area that created a boundary dispute for twelve years. The county lost territory to the creation of Winnebago County in 1840, to Portage County in 1841, and later to Waushara County in 1851 and Green Lake County in 1858. The dispute with Fond du Lac County was resolved on March 6, 1848, when Marquette lost the jointly claimed area. Marquette became fully organized as a county in the state of Wisconsin on September 4, 1848.

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

  1. 1836
    Marquette County created Marquette created by Wisconsin Territory from Brown. Marquette overlapped the western part of Fond du Lac (Overlap Area 2), creating a dispute that was not settled until 6 March 1848. Marquette not fully organized, attached to Brown "for judicial purposes."
    from Brownfrom Fond du Lac
    · Wis. Terr. Laws 1836, no. 28, secs. 12, 14/p. 94
  2. 1840
    Lost territory Marquette lost the northern part of the area jointly claimed by Marquette and Fond du Lac (Overlap Area 2) 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. 1841
    Lost territory Marquette lost to Brown and Portage.
    to Brownto Portage
    · Wis. Terr. Laws 1840-1841, no. 38, secs. 1-3, 12/pp. 73-75
  4. 1848
    Lost territory Marquette lost jurisdiction of Overlap Area 2 to Fond du Lac, ending dispute dating from 7 December 1836.
    to Fond du Lac
    · Wis. Terr. Laws 1848, pp. 79-80
  5. 1848
    Became part of Wisconsin Marquette 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 14 changes (9 more)
  1. 1836
    Marquette County created Marquette created by Wisconsin Territory from Brown. Marquette overlapped the western part of Fond du Lac (Overlap Area 2), creating a dispute that was not settled until 6 March 1848. Marquette not fully organized, attached to Brown "for judicial purposes."
    from Brownfrom Fond du Lac
    · Wis. Terr. Laws 1836, no. 28, secs. 12, 14/p. 94
  2. 1840
    Lost territory Marquette lost the northern part of the area jointly claimed by Marquette and Fond du Lac (Overlap Area 2) 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. 1841
    Lost territory Marquette lost to Brown and Portage.
    to Brownto Portage
    · Wis. Terr. Laws 1840-1841, no. 38, secs. 1-3, 12/pp. 73-75
  4. 1844
    Changed Marquette organized "for county purposes;" Marquette detached from Brown, attached to Fond du Lac "for judicial purposes."
    BrownFond du Lac
    · Wis. Terr. Laws 1843-1844, pp. 8-11
  5. 1848
    Lost territory Marquette lost jurisdiction of Overlap Area 2 to Fond du Lac, ending dispute dating from 7 December 1836.
    to Fond du Lac
    · Wis. Terr. Laws 1848, pp. 79-80
  6. 1848
    Became part of Wisconsin Marquette 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
  7. 1848
    Changed Marquette fully organized, detached from Fond du Lac.
    Fond du Lac.
    · Wis. Laws 1848, p. 43
  8. 1849
    Gained territory Marquette gained from Brown and Portage.
    from Brownfrom Portage
    · Wis. Laws 1849, ch. 73, sec. 1/p. 44
  9. 1851
    Lost territory Marquette lost to creation of Waushara; Waushara not fully organized, attached to Marquette "for judicial purposes."
    to Waushara
    · Wis. Laws 1851, ch. 77, secs. 1, 5/pp. 56-57
  10. 1852
    Changed Waushara fully organized, detached from Marquette.
    Waushara
    · Wis. Laws 1852, ch. 34, secs. 1, 4/p. 44
  11. 1858
    Lost territory Marquette lost to creation of Green Lake.
    to Green Lake
    · HRS Wis., Origin, 127; Wis. Laws 1858, gen., ch. 17, secs. 1-2, 16/pp. 15-17, 20 and ch. 85, secs. 1-3, 10, 17/pp. 88-90, 94
  12. 1860
    Lost territory Marquette lost to Green Lake. The boundary was demarcated later in 1860 and although it deviates in two small places from the legal description, the demarcated line is the modern boundary.
    to Green Lake
    · Wis. Laws 1860, gen., ch. 143, secs. 1-2/pp. 126-127
  13. 1862
    Changed Legislature authorized Green Lake and Marquette to exchange small areas, dependent on local referendum that failed (no change).
    Green Lake
    · HRS Wis., Origin, 127; Wis. Laws 1862, gen., ch. 23, secs. 1-2, 4-5/pp. 18-20
  14. 1865
    Changed Legislature authorized Green Lake to gain parts of townships 14 and 15 in range 10 east from Marquette, dependent on local referendum that failed (no change).
    Green Lake
    · Kellogg, "Organization," 196; Wis. Laws 1865, gen., ch. 191, secs. 1, 3-4/pp. 172-173

Land and parcels

What the maps cover in Marquette

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

Marquette by the Census

Population
15,592 2020 Census count
Housing units
9,758 2020 Census count
Land area
456 square miles
Water area
8.8 square miles
People per sq mi
34 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.

Permits

Zoning and code

County government

See your own lot on these maps

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Questions

Common questions about Marquette County

When was Marquette County founded?
Marquette County was founded in 1836, formed from Brown County and Fond du Lac County, and named after Jacques Marquette.
What is the county seat of Marquette County?
The county seat of Marquette County is Montello.
Is there an online parcel map for Marquette County?
Yes. Marquette County publishes a parcel map of 22,032 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Marquette County's boundary or name changed?
Marquette County was created in 1836 from Brown County and Fond du Lac County. Since then the Atlas of Historical County Boundaries records 11 later changes, chiefly involving Brown County, Fond du Lac County and Green Lake County.
Is my lot in a flood zone?
We do not have flood maps for Marquette 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