Charleston County

OKLocate's data coverage for Charleston County includes address level insights, mapping layers, property profiles (coming Q4 2026) and census demographics.

LiDAR measurements, aerial imagery, typeahead, geocoding and census demographics behind one API key, on one flat monthly rate, and every result is yours to store with no time limit. No other location API puts that combination under permissive licensing.

Address level data

  • Forward geocoding · Address to rooftop coordinate
  • Reverse geocoding · Coordinate to nearest address
  • Typeahead · About 100 ms
  • County FIPS on every result
  • Census tract on every result (Q4 2026)
  • Place on every result (Q4 2026)
  • School district on every result (Q4 2026)
  • Legislative districts on every result (Q4 2026)

Mapping

  • Base map · Vector tiles, your own styling
  • Aerial imagery · To zoom 15
  • High-resolution aerial, zoom 16 to 18 (Q4 2026)
  • Flood zone boundaries · FEMA NFHL
  • School district boundaries
  • Place boundaries
  • ZIP code boundaries
  • Census tract boundaries
  • Legislative boundaries (Q4 2026)

Property measurements

  • Measured property profiles (Q4 2026)
  • Roof, solar and pool measurements (Q4 2026)
  • Viewable LiDAR point cloud per home (Q4 2026)
  • Search the county on any measured field (Q4 2026)

Demographics

  • Population and households
  • Housing units, owner and renter
  • Median home value and rent
  • Median household income
  • Year built and unit types
  • FEMA flood share and zone breakdown

Charleston County by the numbers

Housing units
209,803
Population
420,264
Owner occupied
114,350
Median home value
$548,811
Median household income
$95,207
Median year built
1989
Census tracts
99
Land area
918 sq mi

Flood zones

37% of Charleston County's land lies inside a FEMA Special Flood Hazard Area. That is higher than 98% of US counties. The largest zones are VE at 17% and AE at 17%. This is a map overlay for analysis, not a flood determination.

Zone VE
17.41%
Zone AE
17.31%
Zone X
13.93%
Zone A
2.54%
Zone AO
0.01%