COUNTY · CT
New London County, Connecticut
New London County is a county in Connecticut with FIPS code 09011.
County facts
- Name
- New London County
- State
- Connecticut
- Type
- county
- FIPS code
- 09011
- State FIPS
- 09
Population is the Census Bureau’s Vintage 2023 estimate. Connecticut’s 2023 estimates use planning regions instead of counties, so county population is not available.
Other counties in Connecticut
Questions
What is the FIPS code for New London County?
New London County, Connecticut has the five-digit FIPS code 09011: 09 for the state and 011 for the county.
What state is New London County in?
New London County is in Connecticut.
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.