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County · code 19105

Jones CountyIowa

Jones County is in Iowa, with its county seat at Anamosa. It was created on December 21, 1837.

  • Founded1837
  • County seatAnamosa
  • Named forGeorge W. Jones
  • Land area576 sq mi + 1.5 sq mi water
  • Population20,646 2020 Census
  • Parcels mapped22,110 checked 15 October 2026
Open the free map Click any parcel in Jones County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

CedarLinnClinton Anamosa Census outline · seat marked

Where it is

Jones 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 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 CountyTama CountyTaylor CountyUnion CountyVan Buren CountyWapello CountyWarren CountyWashington CountyWayne CountyWebster CountyWinnebago CountyWinneshiek CountyWoodbury CountyWorth CountyWright CountyJones County Jones
Counties of Iowa · Jones highlighted

History

Formed in 1837 from Dubuque County and Jackson County

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

Jones County was created from Dubuque County by Wisconsin Territory, initially attached to Jackson County for temporary purposes. When Iowa Territory was created from Wisconsin Territory on July 3, 1838, Jones became part of Iowa Territory. It was fully organized and detached from Jackson County on June 1, 1839. Jones became an Iowa county when Iowa achieved statehood on December 28, 1846.

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

  1. 1837
    Jones County created Jones created by Wisconsin Territory from Dubuque; Jones not fully organized, attached to Jackson "for temporary purposes."
    from Dubuquefrom Jackson
    · Wis. Terr. Laws 1837, no. 6, secs. 8, 11/pp. 134-135
  2. 1838
    Became part of Iowa Jones became an Iowa Territory county when Iowa Territory was created from Wisconsin Territory. · U.S. Stat., vol. 5, ch. 96[1838]/pp. 235-241
  3. 1839
    Changed Jones fully organized, detached from Jackson.
    Jackson
    · Iowa Terr. Laws 1838-1839, pp. 95-96
  4. 1846
    Became part of Iowa Jones became an Iowa county when the state of Iowa was created from Iowa Territory. · U.S. Stat., vol. 9, ch. 1[1847]/p. 117

Land and parcels

What the maps cover in Jones

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

Jones by the Census

Population
20,646 2020 Census count
Housing units
8,871 2020 Census count
Land area
576 square miles
Water area
1.5 square miles
People per sq mi
36 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

Jones 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 Jones 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 Jones County

When was Jones County founded?
Jones County was founded in 1837, formed from Dubuque County and Jackson County, and named after George W. Jones.
What is the county seat of Jones County?
The county seat of Jones County is Anamosa.
Is there an online parcel map for Jones County?
Yes. Iowa Department of Homeland Security and Emergency Management (statewide parcels, mirrored by the University of Iowa) publishes a parcel map of 22,110 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Jones County's boundary or name changed?
Jones County was created in 1837 from Dubuque County and Jackson County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Jackson County.
Is my lot in a flood zone?
We do not have flood maps for Jones 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