Columbia, KY 42728 ZIP Code Profile


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ZIP Code 42728: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Columbia, KY 42728

Acceptable Alternative
Casey Creek, KY 42728
Cundiff, KY 42728
Fairplay, KY 42728
Milltown, KY 42728
Montpelier, KY 42728

  • ZIP Code Type: STANDARD
  • County: Adair County
  • Centroid: Latitude 37.107, Longitude -85.278
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 42728 has segments in 3 Counties (Adair, Casey, Taylor).

  • Businesses Addresses: 623
  • PO Box Addresses: 545
  • Residential Addresses: 6,555
    • Multi-Family Addresses: 0
    • Single Family Addresses: 6,555

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


42728 ZIP Code Map

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Columbia, KY 42728 Data & Demographics (As of July 1, 2017)


Total Population 16,518
Daytime Population: Workers 5,327
Daytime Population: Residents 9,957
Total Daytime Population (TDP) 15,284
Ratio TDP/Total Population1 0.93
Population in Households 15,358
Population in Familes 12,454
Population in Group Qrtrs 1,160
Population Density2 55
Diversity Index3 16


Median Household Income $31,682
Average Household Income $45,013
Per Capita Income $18,608


Total Housing Units 7,436 (100%)
Owner Occupied HU 4,511 (60.7%)
Renter Occupied HU 1,889 (25.4%)
Vacant Housing Units 1,036 (13.9%)
Median Home Value $95,499
Average Home Value $129,700


Total Households 6,400
Average Household Size 2.4
Family Households 4,273
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.57% 0.32%
Households 0.52% 0.36%
Families 0.34% 0.25%
Median Household Income   2.19%
Per Capita Income   2.58%

Columbia, KY 42728 - Peer Comparisons by Rank and Percentile

The table below compares 42728 to the other 756 ZIP Codes in Kentucky by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 96 87th
Population Density # 392 48th
Diversity Index # 182 76th
Median Household Income # 566 25th
Per Capita Income # 518 31st

Additional comparisons and rankings can be made with a VERY EASY TO USE Kentucky Census Data Comparison Tool.

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