Skip to main content

St. Lucie County, Florida

St. Lucie County profile, demographic data, and geographic information.

St. Lucie County is a county located in Florida, United States of America. As of official census estimates, it has a reported population of 402,449. The land area covers 571.86 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of St Lucie County
Official Title: Chairman
Address: 2300 VIRGINIA AVE, FORT PIERCE FL 34982-5652

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 402,449 — 2025 / Census
Median Age 45.1 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 137,453 ±1,419 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 160,146 ±83
Occupied Housing Units 137,453 ±1,419
Vacant Housing Units 22,693 ±1,411
Median Home Value $347,300 ±$4,773
Median Gross Rent $1,585 ±$57
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $71,457 ±$2,290
Per Capita Income $36,552 ±$1,171
Poverty Rate 12.3% ±1%
Population Below Poverty Level 43,756 ±3,714
Unemployment Rate 6.1% ±0.8%
Civilian Labor Force, Employed 156,868 ±2,885
Broadband Internet Rate 92.6% ±0.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at FT PIERCE, FL US, located 7.1 miles from St. Lucie County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 72.4° 53.0° 62.7° 3.04" 0.0"
February 74.3° 55.4° 64.9° 2.80" 0.0"
March 77.0° 58.5° 67.8° 3.03" 0.0"
April 80.8° 63.9° 72.3° 3.62" 0.0"
May 84.4° 69.0° 76.7° 4.20" 0.0"
June 87.6° 72.9° 80.3° 6.22" 0.0"
July 89.2° 74.1° 81.7° 6.19" 0.0"
August 89.2° 74.6° 81.9° 7.25" 0.0"
September 87.5° 74.0° 80.8° 8.21" 0.0"
October 83.8° 69.6° 76.7° 5.72" 0.0"
November 78.3° 62.2° 70.3° 3.20" 0.0"
December 74.4° 56.5° 65.5° 2.41" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 12111. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.