Columbia, KY

Single-footprint Census roll-up for Columbia, KY: 1 USPS ZIP, population 15,925. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet COLUMBIA-KY · Columbia, KY 1 ZIPs · 15,925 pop · #21227/25278 · Adair County

INC-MID · RANK-BOTTOM · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-LOW

  • INC-MID $51,623
  • RANK-BOTTOM #21227/25278
  • PHOTO-FINISH ≈ Dunnville
  • BOOK-ONE 1 ZIP
  • OWN-MID 76% owners
  • POP-TOWN 15,925
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $151,300

Nearest income peer: Dunnville, KY ( $1,396 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Columbia

Lowest/highest poles plus county-sharing cities nearest Columbia on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Columbia, KY sits among US cities with one of the lowest household incomes among US cities, on a town-scale population base, across a single-ZIP footprint.

16th pct
household income vs 25,278 US cities
15,925
city population (Census)
1
USPS ZIP codes covered
$51,623
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($51,623 average) · poverty 17.1%. The primary code (42728) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (76.0%) - check the ZIP page's tenure split before treating Columbia as a pure owner town.

Within Kentucky, Sturgis is the closest lower-income city and Jackhorn the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Columbia.

Population concentration

Columbia reads through its lone ZIP, 42728

15,925 ACS residents, one ZIP: 42728 is not the leading code inside Columbia, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Mid-pack ZBP load on Columbia's one ZIP

Citywide ZBP: 315 establishments, 3,940 employees , annual payroll $150,837k (~20 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 42728 (315 units) ; leading NAICS Retail trade (59) · also Health care and social assistance · Construction .

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ZIP Codes in Columbia, KY

These ZIP codes sit in Adair County, which covers 5 ZIP codes in all; 1 of them fall in Columbia. See the Adair County roll-up →

Columbia sits in the lower half of Adair County on income: Knifley and Glens Fork report more, and only Dunnville reports less. Glens Fork marks the far end of that range at $78,269, 52% above Columbia.

ZIP Code Population Median income Establishments Density
42728 15,925 $51,623 315 19

Columbia roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Columbia, .