Gilpin County, Colorado

County seat: Central City · Population 6,073 (2025) · 150 sq mi

Gilpin County is the 47th most populous of Colorado's 64 counties, with 6,073 people (2025 estimate). Its county seat is Central City. It is part of the Region 3: Denver Metropolitan Area region, one of the 14 Planning and Management Regions of Colorado. The map shows its 2 cities and towns and the 4 neighboring counties.

Map of Gilpin County, Colorado with cities, towns and the county boundary
Gilpin County, Colorado with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Gilpin County facts

County seat
Central City
Population (2025 estimate)
6,073 +4.7% since 2020
Land area
150 sq mi 63rd largest of 64
Water area
0 sq mi
Population density
41 per sq mi
Established
1861
Named after
William Gilpin American politician (1813–1894)
Largest city
Central 807 in the county
Median household income
$95,361
Cities and towns
2 plus 2 CDPs
ZIP codes
5
Time zone
Mountain
FIPS code
08047

Cities and towns in Gilpin County

Gilpin County has 2 incorporated cities, towns and villages. Populations count the people living inside Gilpin County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
CentralCity807Clear Creek County
Black HawkCity120

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Coal Creek534Boulder and Jefferson counties
Rollinsville264

ZIP codes in Gilpin County

5 ZIP codes reach into Gilpin County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Gilpin County, 2020–2025

Gilpin County grew by 270 people (+4.7%) between April 2020 and July 2025: 55 more births than deaths and a net gain of 215 people from migration.

Year (July 1)Population
20205,817
20215,891
20225,898
20235,899
20245,955
20256,073

Neighboring counties

Printable Gilpin County map

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Sources

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