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County · code 12111

St. Lucie CountyFlorida

St. Lucie County is a county in Florida with its seat in Fort Pierce. The county was formed on July 1, 1905, from Brevard County.

  • Founded1905
  • County seatFort Pierce
  • Named forSaint Lucy
  • Land area572 sq mi + 116 sq mi water
  • Population329,226 2020 Census
  • Parcels mapped192,840 checked 15 October 2026
Open the free map Click any parcel in St. Lucie County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

MartinIndian RiverOkeechobee Fort Pierce Census outline · seat marked

Where it is

St. Lucie on the map of Florida

Florida has 67 counties and county equivalents, each with its own records office. Shapes with a page are links.

History

Formed in 1905 from Brevard County

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

St. Lucie County was created from Brevard County on July 1, 1905, and was named after Saint Lucy. Over the following two decades, the county lost territory: Okeechobee County was created from St. Lucie County in 1917, followed by Indian River County and Martin County in 1925.

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

  1. 1905
    St. Lucie County created St. Lucie created from Brevard. · Fla. Laws 1905, 10th sess., ch. 5567, secs. 1, 22/pp. 404, 408
  2. 1917
    Lost territory St. Lucie lost to creation of Okeechobee. · Fla. Laws 1917, 16th sess., gen., ch. 7401, secs. 1, 20-21/pp. 285, 289-290; Van Landingham and Hetherington, 66
  3. 1925
    Lost territory St. Lucie lost to creation of Indian River. · Fla. Laws 1925, 20th sess., gen., ch. 10148, sec. 1/p. 294
  4. 1925
    Lost territory St. Lucie lost to creation of Martin. · Fla. Laws 1925, 20th sess., gen., ch. 10180, secs. 1, 25-26/pp. 359, 368; Hutchinson, front endpapers

Land and parcels

What the maps cover in St. Lucie

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

St. Lucie by the Census

Population
329,226 2020 Census count
Housing units
147,884 2020 Census count
Land area
572 square miles
Water area
116 square miles
People per sq mi
576 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

St. Lucie 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 St. Lucie 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.

Questions

Common questions about St. Lucie County

When was St. Lucie County founded?
St. Lucie County was founded in 1905, formed from Brevard County, and named after Saint Lucy.
What is the county seat of St. Lucie County?
The county seat of St. Lucie County is Fort Pierce.
Is there an online parcel map for St. Lucie County?
Yes. St. Lucie County publishes a parcel map of 192,840 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has St. Lucie County's boundary or name changed?
St. Lucie County was created in 1905 from Brevard County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Indian River County, Martin County and Okeechobee County.
Is my lot in a flood zone?
We do not have flood maps for St. Lucie 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