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County · code 13189

McDuffie CountyGeorgia

McDuffie County is a county in Georgia with its seat in Thomson, formed in 1870.

  • Founded1870
  • County seatThomson
  • Named forGeorge McDuffie
  • Land area257 sq mi + 8.9 sq mi water
  • Population21,632 2020 Census
  • Parcels mapped12,579 checked 16 October 2026
Open the free map Click any parcel in McDuffie County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

WarrenColumbiaLincolnWilkesRichmondJefferson Thomson Census outline · seat marked

Where it is

McDuffie on the map of Georgia

Georgia has 159 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of Georgia · McDuffie highlighted

History

Founded in 1870

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

McDuffie County was created in 1870 from Columbia and Warren counties. The county was named after George McDuffie.

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

  1. 1870
    McDuffie County created McDuffie created from Columbia and Warren.
    from Columbiafrom Warren
    · Ga. Laws 1870, no. 8/pp. 20-21
  2. 1872
    Exchanged territory McDuffie exchanged with Columbia.
    with Columbia
    · Ga. Laws 1872, July adj. sess., Loc. & Priv., no. 284/pp. 403-404

Land and parcels

What the maps cover in McDuffie

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

McDuffie by the Census

Population
21,632 2020 Census count
Housing units
9,390 2020 Census count
Land area
257 square miles
Water area
8.9 square miles
People per sq mi
84 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 McDuffie 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 McDuffie County

When was McDuffie County founded?
McDuffie County was founded in 1870, and named after George McDuffie.
What is the county seat of McDuffie County?
The county seat of McDuffie County is Thomson.
Is there an online parcel map for McDuffie County?
Yes. McDuffie County publishes a parcel map of 12,579 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has McDuffie County's boundary or name changed?
McDuffie County was created in 1870. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Columbia County.
Who issues building permits in McDuffie County?
The county's page on building permits: Forms & Permits. Inside a city or town, ask that city first.
Is my lot in a flood zone?
We do not have flood maps for McDuffie 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