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County · code 39019

Carroll CountyOhio

Carroll County is a county in Ohio with its seat in Carrollton. It was created in 1833.

  • Founded1833
  • County seatCarrollton
  • Named forCharles Carroll of Carrollton
  • Land area395 sq mi + 4.3 sq mi water
  • Population26,721 2020 Census
  • Parcels mapped28,673 checked 15 October 2026
Open the free map Click any parcel in Carroll County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

HarrisonStarkColumbianaJeffersonTuscarawas Carrollton Census outline · seat marked

Where it is

Carroll on the map of Ohio

Ohio has 88 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of Ohio · Carroll highlighted

History

Formed in 1833 from Columbiana County, Harrison County, Jefferson County, Stark County and Tuscarawas County

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

Carroll County was created in 1833 from Columbiana, Harrison, Jefferson, Stark, and Tuscarawas counties. It was named after Charles Carroll of Carrollton.

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

  1. 1833
    Carroll County created Carroll created from Columbiana, Harrison, Jefferson, Stark, and Tuscarawas.
    from Columbianafrom Harrisonfrom Jeffersonfrom Starkfrom Tuscarawas
    · Ohio Laws 1832, 31st assy., gen., p. 8; Chase, 3:ch. 478/pp. 2146-2147
  2. 1834
    Boundary clarified Boundary between Carroll and Stark was clarified (no change).
    with Starkno change
    · Ohio Laws 1833, 32d assy., loc., p. 50
  3. 1835
    Boundary clarified Boundary between Carroll and Jefferson was clarified (no change).
    with Jeffersonno change
    · Ohio Laws 1834, 33d assy., loc., p. 118

Land and parcels

What the maps cover in Carroll

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

Carroll by the Census

Population
26,721 2020 Census count
Housing units
13,395 2020 Census count
Land area
395 square miles
Water area
4.3 square miles
People per sq mi
68 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

County government

See your own lot on these maps

Open Carroll 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 Carroll County

When was Carroll County founded?
Carroll County was founded in 1833, formed from Columbiana County, Harrison County, Jefferson County, Stark County and Tuscarawas County, and named after Charles Carroll of Carrollton.
What is the county seat of Carroll County?
The county seat of Carroll County is Carrollton.
Is there an online parcel map for Carroll County?
Yes. A public source publishes a parcel map of 28,673 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Carroll County's boundary or name changed?
Carroll County was created in 1833 from Columbiana County, Harrison County, Jefferson County, Stark County and Tuscarawas County. Its boundary has been clarified two times since, with no change on the ground.
Who issues building permits in Carroll County?
The county's page on building permits: Engineer Permits. Inside a city or town, ask that city first.
Is my lot in a flood zone?
We do not have flood maps for Carroll 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