COUNTY · WY

Park County, Wyoming

Park County is a county in Wyoming with FIPS code 56029 and an estimated population of 30,735 (Census 2023), 8th largest of 23 in the state.

County facts

Name
Park County
State
Wyoming
Type
county
FIPS code
56029
State FIPS
56
Population (2023)
30,735
Change since 2020
+3.6%
State rank
8 of 23

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Wyoming

Questions

What is the FIPS code for Park County?

Park County, Wyoming has the five-digit FIPS code 56029: 56 for the state and 029 for the county.

What state is Park County in?

Park County is in Wyoming.

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.