COUNTY · NY

Delaware County, New York

Delaware County is a county in New York with FIPS code 36025 and an estimated population of 44,410 (Census 2023), 53rd largest of 62 in the state.

County facts

Name
Delaware County
State
New York
Type
county
FIPS code
36025
State FIPS
36
Population (2023)
44,410
Change since 2020
+0.4%
State rank
53 of 62

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in New York

Questions

What is the FIPS code for Delaware County?

Delaware County, New York has the five-digit FIPS code 36025: 36 for the state and 025 for the county.

What state is Delaware County in?

Delaware 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.