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  • FIPS 08023

Costilla County, Colorado

Costilla County had 3,686 residents in the Census Vintage 2024 estimate, on 1,227.6 square miles of land. It ranks 55th of 64 in Colorado by population and 38th by land area.

Population
3,686
#55 of 64 in Colorado · #2,910 in US
Area
1,227.6 sq mi
#38 of 64 in Colorado · #500 in US
Density
3.0 / sq mi
#51 of 64 in Colorado · #2,905 in US
Median household income
$38,731
#63 of 64 in Colorado · #3,104 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Costilla County within Colorado. Pin: Denver.

Measure from here

Tools and pages that start from Costilla County

Costilla County population, land area and income

Costilla County had 3,686 residents in the Census Vintage 2024 estimate, on 1,227.6 square miles of land. It ranks 55th of 64 in Colorado by population and 38th by land area. That works out to 3.0 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Colorado has 15,336 residents, so Costilla County has 24% of the typical county's population.

Its SAIPE 2023 median household income of $38,731 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

3,686

3144th1st

2910th of 3,144 (US)

Land area

1,228 sq mi

3144th1st

500th of 3,144 (US)

Density

3.0 / sq mi

3144th1st

2905th of 3,144 (US)

Median household income

$38,731

3143rd1st

3104th of 3,143 (US)

Rank within Colorado (64)

Population

3,686

64th1st

55th of 64 (CO)

Land area

1,228 sq mi

64th1st

38th of 64 (CO)

Density

3.0 / sq mi

64th1st

51st of 64 (CO)

Median household income

$38,731

64th1st

63rd of 64 (CO)

How Costilla County's population changed since 2020

Costilla County gained 185 residents between the July 2020 and July 2024 estimates, a rise of 5.3%. That ranks 11th of 64 in Colorado for growth. The median Colorado county changed by +1.7%, and the state as a whole by +2.9%.

Since the April 2020 estimates base, Costilla County recorded 151 births and 234 deaths, a natural change of -83. Net international migration added -5 and net domestic migration, people moving to or from other US counties, came to +283. The largest single component was domestic migration, which added 283 people.

3,50120203,61420213,60920223,62420233,6862024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
151
Deaths
234
Net international migration
-5
Net domestic migration
+283
Change, July 2023 to July 2024
+62

Where Costilla County is

The Census internal point of Costilla County is at 37.277500, -105.428900. It sits in UTM zone 13N. The map shades Colorado's 64 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Costilla County outlined. Dots are towns of 1,000+ people with residents in it.

Otero County: -3.6%Lake County: -0.6%Adams County: +4.3%Kit Carson County: +0.2%Phillips County: -0.9%Bent County: +5.5%Lincoln County: -1.1%Washington County: -0.9%Hinsdale County: -5.1%Alamosa County: +1.9%Kiowa County: -4.1%Arapahoe County: +1.8%Archuleta County: +5.1%Montrose County: +4.6%Jefferson County: -0.8%Gilpin County: +2.5%Larimer County: +4.1%Custer County: +17.5%Saguache County: +4.3%Mineral County: +7.1%Broomfield County: +5.1%Logan County: -2.1%Mesa County: +3.4%Eagle County: -2.4%Denver County: +1.6%Pitkin County: -4.2%Boulder County: -0.2%El Paso County: +2.6%Las Animas County: +0.1%San Miguel County: -2.9%Douglas County: +9.3%Cheyenne County: -1.9%Garfield County: +2.2%Ouray County: +6.5%San Juan County: +16.0%Yuma County: +0.8%Elbert County: +12.1%Prowers County: -0.5%Morgan County: +4.2%Delta County: +3.7%Chaffee County: +6.6%Huerfano County: +2.4%Teller County: +0.5%Costilla County: +5.3%Baca County: -3.3%Routt County: +1.6%Conejos County: +1.3%Summit County: -1.1%Clear Creek County: -3.0%Fremont County: +2.5%Rio Blanco County: +1.3%Dolores County: +5.8%Grand County: +2.6%Gunnison County: +2.1%Park County: +5.1%Sedgwick County: -5.5%Montezuma County: +3.7%La Plata County: +2.1%Moffat County: -1.0%Rio Grande County: -3.6%Weld County: +11.5%Pueblo County: +0.9%Jackson County: -7.6%Crowley County: -1.5%
Change 2020 to 2024
  1. < -1.9%
  2. < +0.5%
  3. < +2.4%
  4. < +5.1%
  5. ≥ +5.1%
no data

Orange pin: Costilla County internal point. Dark pin: Denver.

Internal point

Decimal
37.277500, -105.428900
DMS
37°16'39.00"N 105°25'44.04"W
UTM
13N 461977.2E 4125743.3N
Geohash
9wth0fjj0
Plus code
859P7HHC+2C

Towns in Costilla County

No incorporated place of 1,000 or more people has residents in Costilla County. Its 3,686 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Costilla County

The Census 2024 county adjacency file lists 6 neighbors for Costilla County, including 2 across a state line. The most populous is Taos County, NM, with 34,482 residents. Distances run between Census internal points in a straight line.

Distance to Denver and the nearest big city

Denver is 171.8 miles N of Costilla County's internal point in a straight line. The nearest place of 100,000 or more is Pueblo, CO (population 111,166), 81.8 miles away. The nearest place of 10,000 or more is Cañon City, CO (population 17,193), 81.3 miles away.

Costilla County FIPS code

The FIPS code of Costilla County is 08023: state code 08 for Colorado plus county code 023. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $38,731.

Questions people ask

What is the population of Costilla County, Colorado?

The Census Vintage 2024 estimate for July 1, 2024 is 3,686. That is up 185 people (5.3%) from the July 2020 estimate of 3,501.

What is the FIPS code of Costilla County?

08023. The first two digits (08) are Colorado; the last three (023) identify the county.

What is the largest town in Costilla County?

No incorporated place of 1,000 or more people has residents in Costilla County. Its people live in smaller towns, census-designated places or unincorporated land.

Which counties border Costilla County?

6 county-equivalents border it in the Census 2024 adjacency file: Taos County, NM; Alamosa County, CO; Las Animas County, CO; Colfax County, NM; Conejos County, CO; Huerfano County, CO.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.