Colorado ancestors

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Colorado ancestors

Costilla County is one of the original Colorado counties. Parts were split off to form Saguache County in 1866,
Rio Grande County in 1874, and in 1913 to form Alamosa County.
County Seat - San Luis (since 1867)
(1861 - 1867 San Miguel)
Population - 3,887 (2019)

Costilla County 1861  Costilla County 1866  Costilla County 1874  Costilla County 1913

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State Coordinator Assistant Coordinators Costilla County Coordinator
Colleen Pustola Rebecca Maloney
Betty Baker
M.D. Monk		 Cynthia Martinez Monroe


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