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County · code 18099

Marshall CountyIndiana

Marshall County is a county in Indiana with its seat in Plymouth, formed in 1835.

  • Founded1835
  • County seatPlymouth
  • Named forJohn Marshall
  • Land area444 sq mi + 6.1 sq mi water
  • Population46,095 2020 Census
  • Parcels mapped35,361 checked 15 October 2026
Open the free map Click any parcel in Marshall County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

FultonSt. JosephKosciusko Plymouth Census outline · seat marked

Where it is

Marshall on the map of Indiana

Indiana has 92 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAllen CountyBartholomew CountyBenton CountyBlackford CountyBoone CountyBrown CountyCarroll CountyCass CountyClark CountyClay CountyClinton CountyCrawford CountyDaviess CountyDearborn CountyDecatur CountyDeKalb CountyDelaware CountyDubois CountyElkhart CountyFayette CountyFloyd CountyFountain CountyFranklin CountyFulton CountyGibson CountyGrant CountyGreene CountyHamilton CountyHancock CountyHarrison CountyHendricks CountyHenry CountyHoward CountyHuntington CountyJackson CountyJasper CountyJay CountyJefferson CountyJennings CountyJohnson CountyKnox CountyKosciusko CountyLaGrange CountyLake CountyLaPorte CountyLawrence CountyMadison CountyMarion CountyMartin CountyMiami CountyMonroe CountyMontgomery CountyMorgan CountyNewton CountyNoble CountyOhio CountyOrange CountyOwen CountyParke CountyPerry CountyPike CountyPorter CountyPosey CountyPulaski CountyPutnam CountyRandolph CountyRipley CountyRush CountySt. Joseph CountyScott CountyShelby CountySpencer CountyStarke CountySteuben CountySullivan CountySwitzerland CountyTippecanoe CountyTipton CountyUnion CountyVanderburgh CountyVermillion CountyVigo CountyWabash CountyWarren CountyWarrick CountyWashington CountyWayne CountyWells CountyWhite CountyWhitley CountyMarshall County Marshall
Counties of Indiana · Marshall highlighted

History

Formed in 1835 from St. Joseph County, Cass County and Elkhart County

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

Marshall County was created on February 7, 1835, from parts of St. Joseph, Cass, and Elkhart counties, but remained partially organized with portions attached to those three counties for administrative purposes. On April 1, 1836, Marshall County gained additional territory from Elkhart and St. Joseph counties and became fully organized and independent.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1835
    Marshall County created Marshall created from St. Joseph and from Non-County Area 12 attached to Cass, Non-County Area 13 attached to Elkhart, and Non-County Area 14 attached to St. Joseph; Marshall not fully organized, parts attached to Cass, Elkhart, and St. Joseph for administrative and judicial purposes.
    from St. Josephfrom Cassfrom Elkhart
    · Ind. Acts 1834, 19th sess., gen., ch. 25, sec. 9/p. 46
  2. 1836
    Gained territory Marshall gained from Elkhart and St. Joseph; Marshall fully organized, detached from Cass, Elkhart, and St. Joseph.
    from Elkhartfrom St. Josephfrom Cass
    · Ind. Acts 1835, 20th sess., gen., ch. 17/p. 49
  3. 1838
    Boundary clarified Marshall boundaries were redefined, implying changes that never took effect; corrected 16 February 1839.
    no change
    · Ind. Acts 1837, 22d sess., loc., ch. 61, secs. 41, 48, 50, 52, 64-66, 70-71, 75-78/pp. 241-266; Pence and Armstrong, 406
  4. 1839
    Boundary clarified Marshall boundaries were redefined, correcting mistake of 17 February 1838 (no change).
    no change
    · Ind. Acts 1838, 23d sess., gen., ch. 56/p. 70
  5. 1981
    Boundary clarified Marshall boundaries were clarified (no change).
    no change
    · Ind. Secretary of State, correspondence, 13 Jul. 1990; Ind. Acts 1980, 101st gen. assy., 2d reg. sess., pub. law no. 212, secs. 1-2/pp. 1682-1685

Land and parcels

What the maps cover in Marshall

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

Marshall by the Census

Population
46,095 2020 Census count
Housing units
19,654 2020 Census count
Land area
444 square miles
Water area
6.1 square miles
People per sq mi
104 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

Marshall County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

Open Marshall County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Marshall County

When was Marshall County founded?
Marshall County was founded in 1835, formed from St. Joseph County, Cass County and Elkhart County, and named after John Marshall.
What is the county seat of Marshall County?
The county seat of Marshall County is Plymouth.
Is there an online parcel map for Marshall County?
Yes. Indiana Geographic Information Office (IndianaMap) publishes a parcel map of 35,361 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Marshall County's boundary or name changed?
Marshall County was created in 1835 from St. Joseph County, Cass County and Elkhart County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Cass County, Elkhart County and St. Joseph County.
Is my lot in a flood zone?
We do not have flood maps for Marshall 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