Delta County vs Summit County

A side-by-side comparison of Delta County and Summit County: population, income, housing, and more.

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

Delta County has the higher population (31,353 vs 30,857 in Summit County). Summit County has the higher median household income ($106,255 vs $58,330 in Delta County). Summit County has the higher median home value ($850,700 vs $318,000 in Delta County).

Population, income & housing

	Delta County	Summit County
Population	31,353	30,857
Median age	48.4 yrs	39.2 yrs
Median household income	$58,330	$106,255
Median home value	$318,000	$850,700
Median gross rent	$1,080	$1,851
Housing units	14,931	31,849
Homeownership rate	76.4%	69.2%
Bachelor's degree or higher	25.7%	52.5%
Unemployment rate	3.2%	3.3%

Trends (ACS 5-year, 2019–2023)

	Delta County	Summit County
Population	30,565 → 31,353 (+2.6%)	30,649 → 30,857 (+0.7%)
Median household income	$45,269 → $58,330 (+28.9%)	$79,277 → $106,255 (+34.0%)
Median home value	$241,500 → $318,000 (+31.7%)	$579,600 → $850,700 (+46.8%)
Median gross rent	$834 → $1,080 (+29.5%)	$1,393 → $1,851 (+32.9%)

Delta County

Population

30,56531,353

Median household income

$45,269$58,330

Median home value

$241,500$318,000

Median gross rent

$834$1,080

Summit County

Population

30,64930,857

Median household income

$79,277$106,255

Median home value

$579,600$850,700

Median gross rent

$1,393$1,851

Age & race/ethnicity

Age distribution (share)

	Delta County	Summit County
Under 5	4.5%	3.6%
5 to 17	14.8%	12.8%
18 to 24	6.8%	5.7%
25 to 34	8.9%	19.6%
35 to 44	11.3%	15.9%
45 to 54	10.8%	13.7%
55 to 64	15.1%	13.3%
65 to 74	16.8%	11.2%
75 and over	10.9%	4.1%

Race & ethnicity (share)

	Delta County	Summit County
White (non-Hispanic)	80.5%	74.9%
Black or African American	0.8%	0.4%
American Indian & Alaska Native	0.3%	0.3%
Asian	0.6%	1.5%
Native Hawaiian & Pacific Islander	0.0%	0.5%
Some other race	1.0%	0.1%
Two or more races	2.5%	5.3%
Hispanic or Latino	14.2%	16.9%

Educational attainment (age 25+)

Share of adults 25+

	Delta County	Summit County
No high school diploma	9.0%	5.1%
High school graduate	36.5%	17.0%
Some college or associate's	28.8%	25.4%
Bachelor's degree	16.9%	32.5%
Graduate or professional degree	8.8%	20.0%

Commute to work

How workers get to work (share)

	Delta County	Summit County
Drove alone	72.0%	59.8%
Carpooled	8.1%	9.3%
Public transit	0.1%	4.5%
Walked	3.8%	3.3%
Bicycle	0.9%	1.4%
Worked from home	14.5%	21.4%
Other means	0.7%	0.2%

Housing

Units in structure (share)

	Delta County	Summit County
1-unit, detached	76.7%	35.6%
1-unit, attached	2.3%	14.5%
2 to 4 units	3.8%	5.2%
5 to 19 units	1.7%	15.9%
20 or more units	1.2%	27.4%
Mobile home & other	14.1%	1.3%

Poverty & households

	Delta County	Summit County
Poverty rate	14.2%	7.4%
Average household size	2.39	2.46
Mean commute (minutes)	26	21
Median year structure built	1979	1989