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County · Colorado

Costilla County

3,686Population
5.4 %Change since 2020
34Net migration
6.9 %Unemployment rate

Facts

Population
3,686 (2024)
Change since 2020
5.4 %
Net migration
34 (2023)
Unemployment rate
6.9 % (2025)
Population base, April 2020
3,496 (2020)
Births
37 (2023)
Births per 1,000 residents, 2023
10.0
Deaths
57 (2023)
Deaths per 1,000 residents, 2023
15.5
Natural change, 2023
-20
International migration
-2 (2023)
Domestic migration
36 (2023)
Net migration per 1,000, 2023
9.2
Postal code
CO
FIPS code
08023

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020256.910.5
PeriodValue
20256.9 %
20247.0 %
20236.0 %
20225.5 %
20218.5 %
20208.9 %
20195.0 %
20185.4 %
20174.3 %
20166.0 %
20156.1 %
20149.0 %

Population estimates, 2020–2024

202020243,6863,501
PeriodValue
20243,686
20233,624
20223,609
20213,614
20203,501