COUNTY · NC
Guilford County, North Carolina
Guilford County is a county in North Carolina with FIPS code 37081 and an estimated population of 549,866 (Census 2023), 3rd largest of 100 in the state.
County facts
- Name
- Guilford County
- State
- North Carolina
- Type
- county
- FIPS code
- 37081
- State FIPS
- 37
- Population (2023)
- 549,866
- Change since 2020
- +2.0%
- State rank
- 3 of 100
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Guilford County
Other counties in North Carolina
Questions
What is the FIPS code for Guilford County?
Guilford County, North Carolina has the five-digit FIPS code 37081: 37 for the state and 081 for the county.
What state is Guilford County in?
Guilford County is in North Carolina.
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.