Arlington, KY 42021 ZIP Code Profile

Related Place Profiles:
Arlington, KY

Camera Icon Photos of the local Arlington, KY area

ZIP Code 42021: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Arlington, KY 42021

  • ZIP Code Type: STANDARD
  • County: Carlisle County
  • Centroid: Latitude 36.791, Longitude -89.006
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 42021 has segments in 2 Counties (Carlisle, Hickman).

  • Businesses Addresses: 34
  • PO Box Addresses: 48
  • Residential Addresses: 640
    • Multi-Family Addresses: 0
    • Single Family Addresses: 640

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.


42021 ZIP Code Map

Search the map for:

Arlington, KY 42021 Data & Demographics (As of July 1, 2017)


Total Population 1,544
Daytime Population: Workers 423
Daytime Population: Residents 826
Total Daytime Population (TDP) 1,249
Ratio TDP/Total Population1 0.81
Population in Households 1,544
Population in Familes 1,257
Population in Group Qrtrs 0
Population Density2 22
Diversity Index3 17


Median Household Income $38,736
Average Household Income $49,804
Per Capita Income $20,580


Total Housing Units 746 (100%)
Owner Occupied HU 506 (67.8%)
Renter Occupied HU 132 (17.7%)
Vacant Housing Units 108 (14.5%)
Median Home Value $78,882
Average Home Value $104,891


Total Households 638
Average Household Size 2.42
Family Households 421
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 -0.44% -0.33%
Households -0.59% -0.47%
Families -0.76% -0.53%
Median Household Income   2.7%
Per Capita Income   2.66%

Arlington, KY 42021 - Peer Comparisons by Rank and Percentile

The table below compares 42021 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 # 386 49th
Population Density # 673 11th
Diversity Index # 160 79th
Median Household Income # 359 53rd
Per Capita Income # 383 49th

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

Kentucky Research Tools

Kentucky Census Data Comparison Tool

Compare Kentucky Census Data
Highest or Lowest: