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COUNTY

Costilla County

Colorado · 3,679 residents (2025 est.) · 1,227.593 sq mi
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The short version

Costilla County has notably lower household income than the US average, with a median household income of $36,861. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $184,700. With a median age of 50.5, the population is older than the US median of 38.9. The poverty rate of 21.0% is well above the national figure. Households here earn about 61% less than the Colorado median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 50.5
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Less affordable
home values up 79%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
3,607
−2%since 2000
from 3,663 in 2000
1990 – 2025
Population density
3 / sq mi
+10%since 2009
from 3 / sq mi in 2009
US average: 281
Median age
50.5
+20%since 2000
from 42.1 in 2000
US average: 38.9

PEP 2025 EST:3,679 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3K3K3K4K4K1990201020202024Costilla County
20244K
1990201020202024
Age distribution, 2024
Under 54.9%(177)
US avg: 5.6%
5 to 94.7%(168)
US avg: 6%
10 to 145.4%(195)
US avg: 6.4%
15 to 195.2%(188)
US avg: 6.6%
20 to 243.5%(127)
US avg: 6.5%
25 to 3410%(360)
US avg: 13.7%
35 to 4411.4%(413)
US avg: 13.2%
45 to 549.3%(336)
US avg: 12.2%
55 to 6417%(614)
US avg: 12.7%
65 to 7417.6%(634)
US avg: 10.2%
75 to 8410%(362)
US avg: 5.1%
85 and over0.9%(33)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$36,861
+4%inflation adjusted, since 2000
from $19,531 in 2000
US average: $82,259
1990 – 2024
Per capita income
$28,445
+165%since 2000
from $10,748 in 2000
US average: $44,673
Households earning $100K+
25.3%
+15.7 ptssince 2009
from 9.6% in 2009
US average: 53.3%
Poverty rate
21.0%
−5.8 ptssince 2000
from 26.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.502
−1%since 2010
from 0.508 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing13.9%
US avg: 1.6%
Construction13.9%
US avg: 1.2%
Wholesale trade12.6%
US avg: 6.9%
Finance & insurance8.9%
US avg: 5.9%
Education & health services6.4%
US avg: 0.9%
Information6.3%
US avg: 10.8%
Other services3.6%
US avg: 6.7%
Transportation & warehousing2.5%
US avg: 2.2%
Professional, scientific, technical2.5%
US avg: 5.1%
Public administration1.9%
US avg: 4.8%
Arts, entertainment, food0.9%
US avg: 1.9%
Retail trade0.4%
US avg: 9.9%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$184,700
+79%inflation adjusted, since 2000
from $56,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$927
+61%inflation adjusted, since 2000
from $316 in 2000
US average: $1,442
Owner-occupied
79.0%
+0.9 ptssince 2000
from 78.2% in 2000
21.0% rent
Vacancy rate
32.1%
−11.5 ptssince 2009
from 43.7% in 2009
US average: 10.0%
Owner cost-burdened
24.3%
+0.2 ptssince 2009
from 24.1% in 2009
US average: 22.9%
Renter cost-burdened
29.5%
−11.2 ptssince 2009
from 40.7% in 2009
US average: 47.4%
Afford Score
5.0
+12%since 2009
from 4.5 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
65
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Costilla County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic28.2%(1,033)
Black0.6%(21)
Hispanic / Latino67.6%(2,476)
Asian0.9%(34)
Other0%
2024
White, non-Hispanic37.3%(1,345)
Black1.9%(68)
Hispanic / Latino54.7%(1,973)
Asian1.5%(55)
Other4.6%(166)
Diversity Score
70
+12%since 2009
from 63 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
18
−45%since 2020
from 33 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican32.4%(1,168)
Spaniard9.3%(336)
Puerto Rican0.4%(16)
Honduran0.1%(3)
Asian origin
Japanese0.9%(32)
Thai0.5%(17)
Ancestry
German9.9%(356)
Irish6.3%(228)
English6.2%(224)
Portuguese3.5%(125)
American2.9%(103)
French2.4%(87)
Polish1.9%(69)
Swedish1.4%(50)
Scottish1.3%(47)
Scotch-Irish1.2%(45)
Italian1%(37)
Welsh0.9%(32)
+ 16 more ancestry groups with data
Dutch0.8%(29)
West Indian0.7%(26)
Haitian0.6%(23)
Norwegian0.5%(18)
Czech0.5%(17)
Swiss0.4%(15)
Danish0.3%(11)
Hungarian0.3%(10)
Austrian0.2%(8)
Canadian0.2%(7)
Ukrainian0.2%(6)
Greek0.1%(3)
Russian0.1%(2)
Slovak0%(1)
RANKED:Largest Mexican population · Largest German population · Largest Spaniard population · Largest Irish population · Largest English population
Section 05

Education

Bachelor's degree or higher
24.9%
+12.1 ptssince 2000
from 12.8% in 2000
US average: 35.6%
High school or higher
90.0%
+21.8 ptssince 2000
from 68.2% in 2000
US average: 89.6%
Graduate degree
7.7%
+3.9 ptssince 2000
from 3.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.1 min
+48%since 2000
from 17.6 min in 2000
US average: 26.5
Drive alone to work
68.0%
−0.3 ptssince 2009
from 68.3% in 2009
US average: 68.9%
Carpooled to work
9.3%
−3.4 ptssince 2009
from 12.7% in 2009
US average: 8.5%
Public transit
0.0%
−0.7 ptssince 2009
from 0.7% in 2009
US average: 3.2%
Worked from home
16.1%
+6.2 ptssince 2009
from 9.9% in 2009
US average: 15.0%
Walked to work
5.9%
+1.9 ptssince 2009
from 4.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
5.4%
−4.6 ptssince 2009
from 10.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.5%
−7.3 ptssince 2011
from 10.8% in 2011
US average: 5.2%
Labor force participation
44.0%
−8.9 ptssince 2011
from 52.9% in 2011
US average: 63.5%
Self-employed
24.5%
−1.1 ptssince 2009
from 25.6% in 2009
US average: 13.1%
Management & professional
35.6%
−25.9 ptssince 2009
from 61.6% in 2009
US average: 42.5%
Section 08

People & community

Male
51.3%
+1.4 ptssince 2009
from 49.9% in 2009
Female
48.7%
−1.4 ptssince 2009
from 50.1% in 2009
Foreign born
5.7%
−3.2 ptssince 2009
from 8.8% in 2009
US average: 14.1%
Veterans
12.2%
−36.5 ptssince 2009
from 48.7% in 2009
US average: 6.2%
With a disability
22.6%
−3.4 ptssince 2012
from 26.0% in 2012
US average: 13.3%
Uninsured
8.5%
−64.3 ptssince 2013
from 72.8% in 2013
US average: 8.4%
Broadband at home
88.1%
+35.7 ptssince 2017
from 52.4% in 2017
US average: 91.0%
English only at home
70.8%
+15.9 ptssince 2016
from 55.0% in 2016
US average: 77.7%
Spanish at home
27.8%
−15.6 ptssince 2016
from 43.4% in 2016
US average: 13.6%
Marital status
Men 15+
Never married26.6%(423)
Married53%(845)
Widowed1.7%(27)
Divorced18.7%(298)
Women 15+
Never married19.9%(294)
Married56.6%(834)
Widowed7.3%(107)
Divorced16.2%(239)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Costilla County to nearby counties

COSTILLA COUNTY VS
Alamosa County
Income$55,397+50%
Home value$239,100+29%
Population16,688+354%
SEE FULL COMPARISON →
COSTILLA COUNTY VS
Huerfano County
Income$52,526+42%
Home value$247,800+34%
Population7,011+91%
SEE FULL COMPARISON →
COSTILLA COUNTY VS
Conejos County
Income$50,978+38%
Home value$193,400+5%
Population7,529+105%
SEE FULL COMPARISON →
COSTILLA COUNTY VS
Taos County
Income$58,950+60%
Home value$382,800+107%
Population34,564+839%
SEE FULL COMPARISON →
Frequently asked

How many people live in Costilla County, Colorado?

Costilla County, Colorado has about 3,607 residents according to the 2024 American Community Survey.

What is the median household income in Costilla County, Colorado?

The typical household in Costilla County, Colorado earns about $36,861 a year. Half of households make more than that, and half make less.

Is Costilla County, Colorado expensive?

In Costilla County, Colorado, the median home is worth about $184,700, and the typical rent is about $927 a month.

How educated are people in Costilla County, Colorado?

About 24.9% of adults age 25 and over in Costilla County, Colorado hold a bachelor's degree or higher.

What is the poverty rate in Costilla County, Colorado?

About 21.0% of people in Costilla County, Colorado live below the federal poverty line.

Has Costilla County, Colorado grown since 1990?

Yes, Costilla County, Colorado has grown since 1990. The population has added about 417 residents, a change of about 13 percent over that period.

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Explore from here

2 census tracts
Census Tract 9727Census Tract 9726
6 ZIP codes
ZIP 81151ZIP 81152ZIP 81133ZIP 81123ZIP 81126ZIP 81138
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

Costilla County, Colorado: demographics, income & housing data · CensusEasy