Prince William County

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

Prince William County is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area.

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

Prince William County by the numbers

Housing units
161,852
Population
488,880
Owner occupied
116,435
Median home value
$530,488
Median household income
$141,580
Median year built
1993
Census tracts
93
Land area
335 sq mi

Flood zones

9.8% of Prince William County's land lies inside a FEMA Special Flood Hazard Area. That is higher than 73% of US counties. The largest zones are X at 8.2% and AE at 5.3%. This is a map overlay for analysis, not a flood determination.

Zone X
8.18%
Zone AE
5.25%
Zone A
3.64%
Zone VE
0.92%