Delaware County, Iowa

10 cities & places have their primary county here.

Population: 17,549
Median household income: $76,205
Median home value: $168,700

Delaware County, Iowa counts 17,549 residents. 10 cities and places have their primary county here. At $76,205, its median household income sits above Iowa's $73,147.

Between 2019 and 2023, Delaware County's population grew 2.1% from 17,183 to 17,549, while its median household income rose 19.5% from $63,750 to $76,205.

The largest age group is 5 to 17, 17.7% of residents. White (non-Hispanic) residents are the largest group, 95.1% of the population.

Demographics

ACS 2019–2023

Population: 17,549
Median age: 44.0 yrs
Median household income: $76,205
Median home value: $168,700
Median gross rent: $743
Housing units: 8,142
Homeownership rate: 82.4%
Bachelor's degree or higher: 19.7%
Unemployment rate: 2.1%

Trends

ACS 5-year · 2019–2023

Population

17,18317,549

Median household income

$63,750$76,205

Median home value

$136,100$168,700

Median gross rent

$621$743

Year	Population	Median household income	Median home value	Median gross rent
2019	17,183	$63,750	$136,100	$621
2020	17,107	$63,877	$141,300	$621
2021	17,508	$69,319	$146,400	$702
2022	17,523	$75,896	$154,600	$732
2023	17,549	$76,205	$168,700	$743

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.7%

5 to 1717.7%

18 to 247.2%

25 to 349.4%

35 to 4411.3%

45 to 5411.4%

55 to 6416.3%

65 to 7411.9%

75 and over9.0%

	Count	Share
Under 5	1,001	5.7%
5 to 17	3,114	17.7%
18 to 24	1,255	7.2%
25 to 34	1,652	9.4%
35 to 44	1,990	11.3%
45 to 54	2,000	11.4%
55 to 64	2,863	16.3%
65 to 74	2,097	11.9%
75 and over	1,577	9.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	16,687	95.1%
Black or African American	2	0.0%
American Indian & Alaska Native	19	0.1%
Asian	14	0.1%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	57	0.3%
Two or more races	486	2.8%
Hispanic or Latino (any race)	284	1.6%

Educational attainment (age 25+)

No high school diploma7.8%

High school graduate43.6%

Some college or associate's28.9%

Bachelor's degree13.8%

Graduate or professional degree6.0%

	Count	Share
No high school diploma	953	7.8%
High school graduate	5,307	43.6%
Some college or associate's	3,515	28.9%
Bachelor's degree	1,677	13.8%
Graduate or professional degree	727	6.0%

Commute to work

Mean travel time to work: 19 min

Drove alone81.3%

Carpooled6.7%

Public transit0.5%

Walked1.9%

Bicycle0.0%

Worked from home8.4%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	7,671	81.3%
Carpooled	634	6.7%
Public transit	43	0.5%
Walked	179	1.9%
Bicycle	0	0.0%
Worked from home	796	8.4%
Other means	110	1.2%

Travel time

	Count	Share
Under 15 min	4,224	48.9%
15 to 29 min	2,513	29.1%
30 to 44 min	922	10.7%
45 to 59 min	466	5.4%
60+ min	512	5.9%

Households

Average household size: 2.41
Poverty rate: 7.9% (1,368 of 17,373)

	Count	Share
Family households	4,785	66.7%
Nonfamily households	2,391	33.3%

Housing

Median year structure built: 1965

Occupancy

	Count	Share
Occupied	7,176	88.1%
Vacant	966	11.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	5,911	82.4%
Renter-occupied	1,265	17.6%

1-unit, detached86.8%

1-unit, attached1.2%

2 to 4 units5.0%

5 to 19 units1.4%

20 or more units2.8%

Mobile home & other2.8%

Units in structure

	Count	Share
1-unit, detached	7,067	86.8%
1-unit, attached	97	1.2%
2 to 4 units	408	5.0%
5 to 19 units	112	1.4%
20 or more units	226	2.8%
Mobile home & other	232	2.8%

Geography

County GEOID: 19055
State: Iowa
Land area: 578 sq mi
Water area: 1.23 sq mi
Center point: 42.4730, -91.3668