Gilpin County, Colorado

Founding: 1861
Parent county: Unorganized territory

Namesake: William Gilpin, Colorado territorial governor
Seat: Central City (1861–)

Land area: 150 square miles

Population (2020): 5,808

Population (historic): 5,490 (1870); 5,867 (1890); 4,131 (1910); 1,212 (1930)

Periods of population growth: pre-1870–1880; 1890s; 1930s; 1960–2020

Subdivisions: Two cities; one CDP

National Register listings: Eight

Pre-1940 residences (estimated): 507 (13.3%)
Pre-1940 housing survival rate: 57%

Farm housing in disrepair (1950): 6.8%

Nonfarm housing in disrepair (1950): 8.4%

Average farmhouse value (1930): $384
Average outbuilding value (1930): $262
Average farmhouse size (1940): 3.7 rooms
Number of farms (1920): 41
Average farm size (1920): 68.3 acres
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Central City

Namesake: Uncertain—perhaps a reference to the city's location within Colorado

Founding: 1859 (founding as Mountain City); 1860 (post office); 1886 (incorporation)

Population (2020): 779

Population (historic): 598 (1860); 2,626 (1880); 3,114 (1900); 572 (1930)

Periods of population growth: 1859–1880; 1890s; 1930s; 1970s; 1990–2020
Pre-1940 residences (estimated): 178 (33.4%)

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