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ZIP code 40121

Fort Knox, KY · Hardin County

About ZIP code 40121

  • ZIP code 40121 is in Fort Knox, Hardin County, Kentucky.
  • About 8,836 people live in it, which is 96.9 people per square mile.
  • It also reaches into Meade County.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 37.926, -85.953.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Fort Knox, KY

ZIP code 40121 is the post office name for Fort Knox, KY. 8,836 people live in Fort Knox. Typical household income is $82,663.

  • Stronger than most towns on: Short commute, Diversity & community and Airport access.
  • Weaker than most towns on: Cost of living, Long, healthy lives and Housing affordability.

See all figures for Fort Knox

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.