Costilla County vs Dolores County

A side-by-side comparison of Costilla County and Dolores County: population, income, housing, and more.

Costilla County and Dolores County are counties in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Costilla County has the higher population (3,571 vs 2,385 in Dolores County). Dolores County has the higher median household income ($70,490 vs $36,519 in Costilla County). Dolores County has the higher median home value ($231,900 vs $171,300 in Costilla County).

Population, income & housing

	Costilla County	Dolores County
Population	3,571	2,385
Median age	50.7 yrs	57.2 yrs
Median household income	$36,519	$70,490
Median home value	$171,300	$231,900
Median gross rent	$857	$1,688
Housing units	2,418	1,640
Homeownership rate	78.5%	84.1%
Bachelor's degree or higher	27.8%	24.7%
Unemployment rate	4.5%	2.5%

Trends (ACS 5-year, 2019–2023)

	Costilla County	Dolores County
Population	3,745 → 3,571 (-4.6%)	1,857 → 2,385 (+28.4%)
Median household income	$30,965 → $36,519 (+17.9%)	$45,972 → $70,490 (+53.3%)
Median home value	$113,000 → $171,300 (+51.6%)	$116,600 → $231,900 (+98.9%)
Median gross rent	$532 → $857 (+61.1%)	$817 → $1,688 (+106.6%)

Costilla County

Population

3,7453,571

Median household income

$30,965$36,519

Median home value

$113,000$171,300

Median gross rent

$532$857

Dolores County

Population

1,8572,385

Median household income

$45,972$70,490

Median home value

$116,600$231,900

Median gross rent

$817$1,688

Age & race/ethnicity

Age distribution (share)

	Costilla County	Dolores County
Under 5	4.8%	5.2%
5 to 17	14.0%	8.8%
18 to 24	6.0%	3.5%
25 to 34	12.3%	6.5%
35 to 44	9.1%	17.3%
45 to 54	9.2%	6.2%
55 to 64	17.1%	15.1%
65 to 74	17.4%	27.6%
75 and over	10.1%	9.6%

Race & ethnicity (share)

	Costilla County	Dolores County
White (non-Hispanic)	36.9%	78.4%
Black or African American	2.2%	0.0%
American Indian & Alaska Native	0.1%	4.5%
Asian	1.2%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.3%
Two or more races	4.0%	4.4%
Hispanic or Latino	55.6%	12.4%

Educational attainment (age 25+)

Share of adults 25+

	Costilla County	Dolores County
No high school diploma	10.3%	3.8%
High school graduate	29.8%	38.6%
Some college or associate's	32.0%	32.8%
Bachelor's degree	19.8%	17.9%
Graduate or professional degree	8.0%	6.8%

Commute to work

How workers get to work (share)

	Costilla County	Dolores County
Drove alone	70.2%	74.0%
Carpooled	12.7%	5.8%
Public transit	0.0%	0.7%
Walked	3.7%	7.9%
Bicycle	0.0%	0.0%
Worked from home	12.6%	11.3%
Other means	0.8%	0.3%

Housing

Units in structure (share)

	Costilla County	Dolores County
1-unit, detached	78.2%	73.4%
1-unit, attached	0.5%	0.6%
2 to 4 units	1.4%	1.8%
5 to 19 units	1.9%	0.0%
20 or more units	0.3%	3.6%
Mobile home & other	17.7%	20.6%

Poverty & households

	Costilla County	Dolores County
Poverty rate	22.3%	18.8%
Average household size	2.26	1.93
Mean commute (minutes)	27	18
Median year structure built	1986	1978