{
  "generated_on": "2026-07-30",
  "population_year": 2025,
  "county_count": 3144,
  "matched_aircraft": 300262,
  "unmatched_faa_counties": 50,
  "census_source_url": "https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/totals/co-est2025-alldata.csv",
  "top_county": "Bristol Bay Borough",
  "top_state": "Alaska",
  "top_aircraft_per_100k": 12987.01,
  "methodology": "Valid FAA registrations grouped by FAA county code, joined to the latest available Census county population estimate and ranked by aircraft per 100,000 residents.",
  "caveat": "Registration location is the registered owner address and is not necessarily the aircraft operating base."
}