Costilla County, Colorado

Costilla County is the ninth least populous of the of the  of the. The county population was 3,663 at. The is, the oldest town in Colorado.

History
Costilla County was the first area of Colorado to be settled by s.  from, officially established  on. Costilla County was one of the original 17 counties created by the on. The county was named for the. Although was originally designated the county seat, the county government was moved to San Luis in.

The county's original boundaries had the county extend over much of south-central Colorado. Much of the northern portion became part of in, and the western portions were folded into  and  counties in. Costilla County arrived at its modern boundaries in when  was created from its northwest portions.

Geography
According to the, the county has a total area of 3,187 (1,230 ). 3,178 km² (1,227 sq mi) of it is land and 9 km² (3 sq mi) of it (0.27%) is water.

Adjacent counties

 * - northeast
 * - east
 * - southeast
 * - south
 * - west
 * - northwest

Demographics
As of the of 2000, there were 3,663 people, 1,503 households, and 1,029 families residing in the county. The was 1/km² (3/sq mi). There were 2,202 housing units at an average density of 1/km² (2/sq mi). The racial makeup of the county was 60.91%, 0.79% or , 2.48% , 1.01% , 0.14% , 29.46% from , and 5.21% from two or more races. 67.59% of the population were or  of any race.

There were 1,503 households out of which 28.50% had children under the age of 18 living with them, 52.60% were living together, 11.30% had a female householder with no husband present, and 31.50% were non-families. 28.10% of all households were made up of individuals and 11.60% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.98.

In the county the population was spread out with 25.00% under the age of 18, 6.60% from 18 to 24, 23.30% from 25 to 44, 28.30% from 45 to 64, and 16.80% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 99.80 males. For every 100 females age 18 and over, there were 96.20 males.

The median income for a household in the county was $19,531, and the median income for a family was $25,509. Males had a median income of $22,390 versus $16,121 for females. The for the county was $10,748. About 21.30% of families and 26.80% of the population were below the, including 32.40% of those under age 18 and 23.30% of those age 65 or over.