Costilla County vs Washington County

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

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

Washington County has the higher population (4,839 vs 3,571 in Costilla County). Washington County has the higher median household income ($65,164 vs $36,519 in Costilla County). Washington County has the higher median home value ($218,300 vs $171,300 in Costilla County).

Population, income & housing

	Costilla County	Washington County
Population	3,571	4,839
Median age	50.7 yrs	41.2 yrs
Median household income	$36,519	$65,164
Median home value	$171,300	$218,300
Median gross rent	$857	$991
Housing units	2,418	2,280
Homeownership rate	78.5%	71.7%
Bachelor's degree or higher	27.8%	24.9%
Unemployment rate	4.5%	3.4%

Trends (ACS 5-year, 2019–2023)

	Costilla County	Washington County
Population	3,745 → 3,571 (-4.6%)	4,868 → 4,839 (-0.6%)
Median household income	$30,965 → $36,519 (+17.9%)	$50,094 → $65,164 (+30.1%)
Median home value	$113,000 → $171,300 (+51.6%)	$151,300 → $218,300 (+44.3%)
Median gross rent	$532 → $857 (+61.1%)	$734 → $991 (+35.0%)

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

Washington County

Population

4,8684,839

Median household income

$50,094$65,164

Median home value

$151,300$218,300

Median gross rent

$734$991

Age & race/ethnicity

Age distribution (share)

	Costilla County	Washington County
Under 5	4.8%	4.9%
5 to 17	14.0%	17.4%
18 to 24	6.0%	7.2%
25 to 34	12.3%	11.2%
35 to 44	9.1%	12.9%
45 to 54	9.2%	10.9%
55 to 64	17.1%	13.6%
65 to 74	17.4%	12.6%
75 and over	10.1%	9.3%

Race & ethnicity (share)

	Costilla County	Washington County
White (non-Hispanic)	36.9%	84.7%
Black or African American	2.2%	1.1%
American Indian & Alaska Native	0.1%	0.0%
Asian	1.2%	0.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.2%
Two or more races	4.0%	2.1%
Hispanic or Latino	55.6%	11.3%

Educational attainment (age 25+)

Share of adults 25+

	Costilla County	Washington County
No high school diploma	10.3%	10.3%
High school graduate	29.8%	28.3%
Some college or associate's	32.0%	36.5%
Bachelor's degree	19.8%	16.6%
Graduate or professional degree	8.0%	8.3%

Commute to work

How workers get to work (share)

	Costilla County	Washington County
Drove alone	70.2%	71.5%
Carpooled	12.7%	10.3%
Public transit	0.0%	0.1%
Walked	3.7%	5.5%
Bicycle	0.0%	0.0%
Worked from home	12.6%	12.4%
Other means	0.8%	0.3%

Housing

Units in structure (share)

	Costilla County	Washington County
1-unit, detached	78.2%	82.1%
1-unit, attached	0.5%	1.7%
2 to 4 units	1.4%	2.8%
5 to 19 units	1.9%	1.3%
20 or more units	0.3%	1.1%
Mobile home & other	17.7%	11.1%

Poverty & households

	Costilla County	Washington County
Poverty rate	22.3%	7.6%
Average household size	2.26	2.25
Mean commute (minutes)	27	21
Median year structure built	1986	1960