Parcel Chartplaces Open the free map

County · code 19171

Tama CountyIowa

Tama County is in Iowa, with its seat in Toledo. The county was created on February 17, 1843, and named after Taimah.

  • Founded1843
  • County seatToledo
  • Named forTaimah
  • Land area721 sq mi + 1.1 sq mi water
  • Population17,135 2020 Census
  • Parcels mapped22,837 checked 15 October 2026
Open the free map Click any parcel in Tama County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

GrundyBentonMarshall Toledo Census outline · seat marked

Where it is

Tama on the map of Iowa

Iowa has 99 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adair CountyAdams CountyAllamakee CountyAppanoose CountyAudubon CountyBenton CountyBlack Hawk CountyBoone CountyBremer CountyBuchanan CountyBuena Vista CountyButler CountyCalhoun CountyCarroll CountyCass CountyCedar CountyCerro Gordo CountyCherokee CountyChickasaw CountyClarke CountyClay CountyClayton CountyClinton CountyCrawford CountyDallas CountyDavis CountyDecatur CountyDelaware CountyDes Moines CountyDickinson CountyDubuque CountyEmmet CountyFayette CountyFloyd CountyFranklin CountyFremont CountyGreene CountyGrundy CountyGuthrie CountyHamilton CountyHancock CountyHardin CountyHarrison CountyHenry CountyHoward CountyHumboldt CountyIda CountyIowa CountyJackson CountyJasper CountyJefferson CountyJohnson CountyJones CountyKeokuk CountyKossuth CountyLee CountyLinn CountyLouisa CountyLucas CountyLyon CountyMadison CountyMahaska CountyMarion CountyMarshall CountyMills CountyMitchell CountyMonona CountyMonroe CountyMontgomery CountyMuscatine CountyO'Brien CountyOsceola CountyPage CountyPalo Alto CountyPlymouth CountyPocahontas CountyPolk CountyPottawattamie CountyPoweshiek CountyRinggold CountySac CountyScott CountyShelby CountySioux CountyStory CountyTaylor CountyUnion CountyVan Buren CountyWapello CountyWarren CountyWashington CountyWayne CountyWebster CountyWinnebago CountyWinneshiek CountyWoodbury CountyWorth CountyWright CountyTama County Tama
Counties of Iowa · Tama highlighted

History

Formed in 1843 from Benton County and Linn County

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

Tama County was created by Iowa Territory from Benton County on February 17, 1843, and initially attached to Linn County for judicial, revenue, and election purposes. On March 1, 1846, Tama was detached from Linn and attached to Benton County for similar purposes. When Iowa became a state on December 28, 1846, Tama County became an Iowa county. Tama was fully organized and detached from Benton County on July 4, 1853.

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

  1. 1843
    Tama County created Tama created by Iowa Territory from Benton; Tama not fully organized, attached to Linn "for judicial, revenue, and election purposes."
    from Bentonfrom Linn
    · Iowa Terr. Rev. Stat. 1843, ch. 34, sec. 10/pp. 133-134
  2. 1846
    Changed Tama detached from Linn, attached to Benton "for election, revenue, and judicial purposes."
    LinnBenton
    · Iowa Terr. Laws 1845-1846, ch. 96, secs. 1, 11, 18/pp. 86-88
  3. 1846
    Became part of Iowa Tama became an Iowa county when the state of Iowa was created from Iowa Territory. · U.S. Stat., vol. 9, ch. 1[1847]/p. 117
  4. 1853
    Changed Tama fully organized, detached from Benton.
    Benton
    · Swisher, "Organization of Counties," 576
  5. 1858
    Changed Boundary between Tama and Benton confirmed (no change).
    Benton
    · Iowa Acts 1858, ch. 123, sec. 1/pp. 240-241

Land and parcels

What the maps cover in Tama

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

Tama by the Census

Population
17,135 2020 Census count
Housing units
7,575 2020 Census count
Land area
721 square miles
Water area
1.1 square miles
People per sq mi
24 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.

Zoning and code

  • Zoningfrom tamacounty.iowa.gov

County government

See your own lot on these maps

Open Tama 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.

Open the free map no sign-in Pro early access

Questions

Common questions about Tama County

When was Tama County founded?
Tama County was founded in 1843, formed from Benton County and Linn County, and named after Taimah.
What is the county seat of Tama County?
The county seat of Tama County is Toledo.
Is there an online parcel map for Tama County?
Yes. Iowa Department of Homeland Security and Emergency Management (statewide parcels, mirrored by the University of Iowa) publishes a parcel map of 22,837 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Tama County's boundary or name changed?
Tama County was created in 1843 from Benton County and Linn County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Benton County and Linn County.
Is my lot in a flood zone?
We do not have flood maps for Tama 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