COUNTY · NY

Herkimer County, New York

Herkimer County is a county in New York with FIPS code 36043 and an estimated population of 59,484 (Census 2023), 43rd largest of 62 in the state.

County facts

Name
Herkimer County
State
New York
Type
county
FIPS code
36043
State FIPS
36
Population (2023)
59,484
Change since 2020
-0.9%
State rank
43 of 62

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in New York

Questions

What is the FIPS code for Herkimer County?

Herkimer County, New York has the five-digit FIPS code 36043: 36 for the state and 043 for the county.

What state is Herkimer County in?

Herkimer County is in New York.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.