Costilla County, Colorado Population 2024

3,641

Costilla County, Colorado's estimated 2024 population is 3,641 with a growth rate of 0.36% in the past year according to the most recent United States census data. Costilla County, Colorado is the 55th largest county in Colorado. The 2010 population was 3,529 and has seen a growth of 3.17% since that time.

Note: data after 2022 is projected based on recent change

33 Rows

Year
Population
Growth
Change
20293,706130.35%
20283,693130.35%
20273,680130.35%
20263,667130.36%
20253,654130.36%
20243,641130.36%
20233,628130.36%
20223,61520.06%
20213,6131113.17%
20203,502-370-9.56%
20193,872691.81%
20183,803451.2%
20173,758661.79%
20163,6921163.24%
20153,576160.45%
20143,560200.56%
20133,540-61-1.69%
20123,601-39-1.07%
20113,6401113.15%
20103,52900%
19903,1901193.87%
19803,071-20-0.65%
19703,091-1,128-26.74%
19604,219-1,848-30.46%
19506,067-1,466-19.46%
19407,5331,75430.35%
19305,77974714.84%
19205,032-466-8.48%
19105,49886618.7%
19004,6321,14132.68%
18903,49161221.26%
18802,8791,10061.83%
18701,779-1,927-52%
2024 Growth Rate
0.36% (13)
County Website
Costilla County
County Seat
San Luis
2020 Population
3,502
Area
1228 mi²
Density
3 people/mi²
Growth Since 2020
3.97% (139)
Founded
November 1, 1861

Population by Race

Race
Population
Percentage (of total)
White2,26364.04%
Two or more races85324.14%
Other race2045.77%
Native American1203.4%
Asian561.58%
Black or African American381.08%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Costilla County, Colorado Population by Race

Costilla County, Colorado Population Pyramid 2024

Costilla County, Colorado Median Age

52.8

Total

54.2

Male

52.1

Female

Costilla County, Colorado Adults

There are 2,903 adults, (981 of whom are seniors) in Costilla County, Colorado.

Costilla County, Colorado Age Dependency

83.9

Age Dependency Ratio

51

Old Age Dependency Ratio

32.8

Child Dependency Ratio

Costilla County, Colorado Sex Ratio

Female1,75949.77%
Male1,77550.23%

Costilla County, Colorado Population by Age

Costilla County, Colorado Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,5302.376.323.7
Married6883.18614
Non Family5521.1471.628.4
Female2192.6259.440.6
Male712.5870.429.6

2.9

Average Family Size

2.3

Average Household Size

76.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Costilla County, Colorado Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1535.85%
Associates Degree1847.03%
Bachelors Degree44116.85%
Graduate Degree1786.8%
High School Graduate79530.38%
Less Than 9th Grade1525.81%
Some College71427.28%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Costilla County, Colorado Educational Attainment by Sex (over 25)

Costilla County, Colorado Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
Hispanic1,4691,216227
White936888357
2+ Races61156285
Other Race121839
Native American1009014
Asian565624
Black30300

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 42.86%.

Costilla County, Colorado Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$52,303$58,028$50,882
Graduate Degree$94,500$118,015$63,882
High School Graduate$28,750$36,891$25,993
Less Than 9th Grade$25,750$33,393$0
Overall$30,463$37,440$25,714
Some College$20,521$27,850$17,917

$30,463

Average Earnings

$37,440

Average Male

$25,714

Average Female

Costilla County, Colorado Earnings by Educational Attainment

Costilla County, Colorado Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Costilla County, Colorado Language

64.37% of Costilla County, Colorado residents speak only English, while 35.63% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 35.21% of the population.

Costilla County, Colorado Language

Costilla County, Colorado Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic2,11640819.28%
White1,17729825.32%
Multiple85321625.32%
Other2048441.18%
Native1204134.17%
Asian562137.5%
Black28517.86%

22.53%

Overall Poverty Rate

24.48%

Male Poverty Rate

20.57%

Female Poverty Rate

Poverty in Costilla County, Colorado

The race most likely to be in poverty in Costilla County, Colorado is Other, with 41.18% below the poverty level.

The race least likely to be in poverty in Costilla County, Colorado is Black, with 17.86% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.06%. Among those working part-time, it was 32.69%, and for those that did not work, the poverty rate was 27.77%.

Costilla County, Colorado Poverty

rate

Rate
Poverty
High School25.86%
Some College23.5%
Less Than 9th Grade18.36%
Bachelors or Greater15.08%

Costilla County, Colorado Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed62.79%
Male Unemployed20.45%
Female Employed9.6%
Male Employed9.18%

Costilla County, Colorado Poverty Rate by Employment Status and Sex

Costilla County, Colorado Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$49,120$62,484
Households$34,578$51,216
Married Families$61,786$-999,999,999
Non Families$14,773$30,390

mean

median

Income by Household Type

Costilla County, Colorado Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.0%

Overall Marriage Rate

49.0%

Male Marriage Rate

53.1%

Female Marriage Rate

Costilla County, Colorado Married by Age and Sex

male

female

Costilla County, Colorado Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Costilla County, Colorado Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Costilla County, Colorado Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

325

Number of Veterans

320

Male Veterans

5

Female Veterans

War
Veterans
Vietnam185
Second Gulf War74
First Gulf War48
Korea0
World War II0

Costilla County, Colorado Veterans by War

count

Age Group
Veterans
65 to 74135
75+57
18 to 3455
55 to 6455
35 to 5423

Costilla County, Colorado Veterans by Age

count

Name
Veterans
% of Total
White1950.10377860564129857
Hispanic1480.08762581409117821
2+ Races1210.17410071942446043
Other Race70.04895104895104895
Asian20.03571428571428571

Costilla County, Colorado Veterans by Race

Costilla County, Colorado Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

27.69%

Veteran Poverty Rate

45.23%

Veteran Disability Rate

Costilla County, Colorado Veterans by Education

LaborForceParticipation

43.7%

Labor Force Participation

40.8%

Employment Rate

6.6%

Unemployment Rate

Costilla County, Colorado Employment by Age

LaborForceParticipation

Costilla County, Colorado Employment by Race

LaborForceParticipation

Costilla County, Colorado Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

51.27%

Born in Costilla County, Colorado

94.06%

Native Born

5.94%

Foreign Born

4.41%

Non Citizen

1.53%

Naturalized

Place of Birth

94.06% of Costilla County, Colorado residents were born in the United States, with 51.27% having been born in Colorado. 4.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Costilla County, Colorado Place of Birth

Sources