zipradar

County · KY

Jefferson County, KY

ZIP-level federated summaries inside Jefferson County, Kentucky. zipradar pulls property tax (county assessor), deeds (county recorder), water quality (EPA SDWIS), flood zones (FEMA NFHL), schools (NCES CCD), and crime (FBI UCR) at the county and ZIP level.

Last verified 2026-05-13 · methodology

40202
Geographic distribution of 1 live ZIP code in Jefferson County, KY.

1 ZIP code live in Jefferson County

Browse Jefferson County by topic

Kentucky top concern

Mining-affected water, flood (Ohio + tributaries)

Kentucky's Appalachian eastern counties face mining-affected water systems with elevated EPA SDWIS compliance risk. Ohio River + tributary FEMA AE zones expose Louisville, Owensboro, and Newport. Radon risk varies by karst geology.

See Kentucky state page for the full state-level rollup, plus all Kentucky counties.

Read more on county-level data

How property tax, deeds, zoning, and schools work at the county level — the office distinctions, what data lags, and what each record actually means.