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Costilla County

Costilla County is located in southern Colorado.  The County Seat is San Luis and the largest city is San Luis.  The Official Web Site is located at  The 2014 population estimate is 3,568 and the 2010 census population was 3,524.  The land area is 1,226.95 square miles and there are 2.9 persons per square mile.

88.9% of the population is White, 1.8% is Black or African American, 64.6% is Hispanic or Latino, 1.2% is Asian, 5.5% is American Indian or Alaska Native, 0.4% is Native Hawaiian or Pacific Islander, and 2.1% is two or more races.  76.5% have a high school degree or higher, and 19.5% have a Bachelor degree or higher.

The median home value is $93,800, there are 1,361 households, an average of 2.61 persons per household.  The per capita income is $20,742,  the median household income is $29,145, and 22.2% of the persons in Costilla County are considered below poverty level.

The total number of firms, at last estimate, was 370.  Retail sales (in $1000) were $5,702, and sales per capita were $1,726.  

Costilla County resources are listed below.  Find county government departments, probate indexes, and property tax records.

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Public Records, Libraries, and Schools

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Public Records

Phone: (719) 672-3309  
17591 E HIGHWAY 160, COSTILLA, BLANCA, CO, 81123.  
Phone: (719) 379-3945  
P.O. BOX 350,  COSTILLA COUNTY, SAN LUIS, CO, 81152.   Phone: (719) 672-3322

SIERRA GRANDE K-12 SCHOOL   (Directions)
17523 EAST HIGHWAY 160,  COSTILLA COUNTY, BLANCA, CO, 81123.   Phone: (719) 379-3257

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