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Colorado counties
64counties
1,691historic places
—newspaper titles
History layers
Statewide63 counties have formation records (oldest: Arapahoe County, 1861). 63 counties have decade population series. 24 counties have nearby NPS units. 1 counties are near ABPP Civil War study areas. 64 counties have GNIS places (855 cemeteries statewide in this extract).
See each county page for charts, formation parents, NPS sites, cemeteries, battlefields, and HMdb links.
Adams County 20 places
Alamosa County 17 places
Arapahoe County 26 places
Archuleta County 3 places
Baca County 4 places
Bent County 10 places
Boulder County 95 places
Broomfield County 0 places
Chaffee County 49 places
Cheyenne County 2 places
Clear Creek County 25 places
Conejos County 14 places
Costilla County 14 places
Crowley County 1 places
Custer County 10 places
Delta County 17 places
Denver County 329 places
Dolores County 5 places
Douglas County 29 places
Eagle County 12 places
El Paso County 98 places
Elbert County 2 places
Fremont County 24 places
Garfield County 20 places
Gilpin County 9 places
Grand County 23 places
Gunnison County 23 places
Hinsdale County 12 places
Huerfano County 11 places
Jackson County 3 places
Jefferson County 90 places
Kiowa County 7 places
Kit Carson County 6 places
La Plata County 15 places
Lake County 10 places
Larimer County 114 places
Las Animas County 37 places
Lincoln County 3 places
Logan County 12 places
Mesa County 35 places
Mineral County 6 places
Moffat County 15 places
Montezuma County 41 places
Montrose County 32 places
Morgan County 16 places
Otero County 22 places
Ouray County 4 places
Park County 28 places
Phillips County 10 places
Pitkin County 38 places
Prowers County 17 places
Pueblo County 70 places
Rio Blanco County 13 places
Rio Grande County 13 places
Routt County 27 places
Saguache County 10 places
San Juan County 11 places
San Miguel County 9 places
Sedgwick County 3 places
Summit County 9 places
Teller County 11 places
Washington County 4 places
Weld County 41 places
Yuma County 5 places
Alamosa County 17 places
Arapahoe County 26 places
Archuleta County 3 places
Baca County 4 places
Bent County 10 places
Boulder County 95 places
Broomfield County 0 places
Chaffee County 49 places
Cheyenne County 2 places
Clear Creek County 25 places
Conejos County 14 places
Costilla County 14 places
Crowley County 1 places
Custer County 10 places
Delta County 17 places
Denver County 329 places
Dolores County 5 places
Douglas County 29 places
Eagle County 12 places
El Paso County 98 places
Elbert County 2 places
Fremont County 24 places
Garfield County 20 places
Gilpin County 9 places
Grand County 23 places
Gunnison County 23 places
Hinsdale County 12 places
Huerfano County 11 places
Jackson County 3 places
Jefferson County 90 places
Kiowa County 7 places
Kit Carson County 6 places
La Plata County 15 places
Lake County 10 places
Larimer County 114 places
Las Animas County 37 places
Lincoln County 3 places
Logan County 12 places
Mesa County 35 places
Mineral County 6 places
Moffat County 15 places
Montezuma County 41 places
Montrose County 32 places
Morgan County 16 places
Otero County 22 places
Ouray County 4 places
Park County 28 places
Phillips County 10 places
Pitkin County 38 places
Prowers County 17 places
Pueblo County 70 places
Rio Blanco County 13 places
Rio Grande County 13 places
Routt County 27 places
Saguache County 10 places
San Juan County 11 places
San Miguel County 9 places
Sedgwick County 3 places
Summit County 9 places
Teller County 11 places
Washington County 4 places
Weld County 41 places
Yuma County 5 places