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County · code 13171

Lamar CountyGeorgia

Lamar County is a county in Georgia with its seat in Barnesville, formed on November 2, 1920.

  • Founded1920
  • County seatBarnesville
  • Named forLucius Quintus Cincinnatus Lamar
  • Land area184 sq mi + 2.3 sq mi water
  • Population18,500 2020 Census
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Updated

MonroeSpaldingPikeUpson Barnesville Census outline · seat marked

Where it is

Lamar 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 · Lamar highlighted

History

Formed in 1920 from Monroe County and Pike County

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

Lamar County was created from Monroe and Pike counties by an act passed on August 17, 1920, taking effect on November 2, 1920. The county was named after Lucius Quintus Cincinnatus Lamar.

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

  1. 1920
    Lamar County created Lamar created from Monroe and Pike. Act passed 17 August 1920; took effect 2 November 1920.
    from Monroefrom Pike
    · Ga. Laws 1920, no. 738/pp. 38-44

Land and parcels

What the maps cover in Lamar

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

Lamar by the Census

Population
18,500 2020 Census count
Housing units
7,561 2020 Census count
Land area
184 square miles
Water area
2.3 square miles
People per sq mi
101 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

County government

See your own lot on these maps

Open Lamar 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 Lamar County

When was Lamar County founded?
Lamar County was founded in 1920, formed from Monroe County and Pike County, and named after Lucius Quintus Cincinnatus Lamar.
What is the county seat of Lamar County?
The county seat of Lamar County is Barnesville.
Is there an online parcel map for Lamar County?
Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Lamar County's boundary or name changed?
Lamar County was created in 1920 from Monroe County and Pike County. The Atlas of Historical County Boundaries records no boundary change since.
Is my lot in a flood zone?
We do not have flood maps for Lamar 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