42171 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Smiths Grove, KY
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ZIP Code 42171: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Smiths Grove, KY 42171

  • ZIP Code Type: STANDARD
  • County: Warren County
  • Centroid: Latitude 37.023, Longitude -86.184
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 42171 has segments in 3 Counties (Barren, Edmonson, Warren).

  • Businesses Addresses: 102
  • PO Box Addresses: 151
  • Residential Addresses: 3,140
    • Multi-Family Addresses: 0
    • Single Family Addresses: 3,140

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

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Smiths Grove, KY 42171 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 6,723 (100%)
Population Density 65 per sq mi
Diversity Index1 17
 
 

INCOME

Median Household Income $70,191
Per Capita Income $32,853
Median Home Value $187,500
 

HOUSING

Total HU (Housing Units) 2,843 (100%)
Owner Occupied HU 2,006 (70.6%)
Renter Occupied HU 625 (22.0%)
Vacant Housing Units 212 (7.5%)
 

HOUSEHOLDS

Total Households 2,631
Average Household Size 2.56
Family Households 1,846 (70.2%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Smiths Grove, KY 42171 - Peer Comparisons by Rank and Percentile

The table below compares 42171 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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 # 11839 65th
Population Density # 17999 47th
Median Household Income # 17938 47th
Per Capita Income # 21395 37th
Diversity Index # 21979 35th

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


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