CensusEasy
COUNTY · 2020 ACS

Delaware County

Iowa · 17,488 residents · 577.684 sq mi
Time machine
COMPARE TO
Compare
The short version

Delaware County has roughly average household income, with a median household income of $63,877. Population has declined 5% since 2000. 17% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has risen by half since 2000, reaching $141,300.

At a glance
Average income
near the US median
US median: $66,278
Older
median age 43.5
US median: 38.8
Less educated
17% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
17,488
−5%since 2000
from 18,404 in 2000
1990 – 2025
Median age
43.5
+17%since 2000
from 37.1 in 2000
US average: 38.8
Population, 1990 – 2024
17K17K18K18K19K1990201020202024Delaware County
202418K
1990201020202024
Age distribution, 2020
Under 55.6%(983)
US avg: 5.6%
5 to 96.5%(1,139)
US avg: 6.1%
10 to 147.2%(1,251)
US avg: 6.5%
15 to 196.6%(1,146)
US avg: 6.6%
20 to 244.6%(805)
US avg: 6.7%
25 to 349.7%(1,701)
US avg: 13.5%
35 to 4411.3%(1,975)
US avg: 12.7%
45 to 5411.7%(2,044)
US avg: 12.3%
55 to 6416.4%(2,866)
US avg: 13.1%
65 to 7411.3%(1,979)
US avg: 10%
75 to 846%(1,056)
US avg: 4.9%
85 and over3.1%(543)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$63,877
+14%inflation adjusted, since 2000
from $37,168 in 2000
US average: $66,278
1990 – 2024
Per capita income
$34,681
+100%since 2000
from $17,327 in 2000
US average: $35,364
Households earning $100K+
38.9%
+14.8 ptssince 2009
from 24.2% in 2009
US average: 43.9%
Poverty rate
8.7%
+0.7 ptssince 2000
from 7.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade17.1%
US avg: 10%
Information10.9%
US avg: 11.1%
Agriculture, forestry, fishing9.9%
US avg: 1.7%
Construction9.7%
US avg: 1.2%
Wholesale trade8.4%
US avg: 6.7%
Finance & insurance7.5%
US avg: 5.5%
Professional, scientific, technical6.8%
US avg: 4.7%
Other services5%
US avg: 6.6%
Public administration4.2%
US avg: 4.7%
Transportation & warehousing3.4%
US avg: 2.5%
Education & health services0.7%
US avg: 0.8%
Arts, entertainment, food0.6%
US avg: 2%
Manufacturing0.2%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$141,300
+12%inflation adjusted, since 2000
from $83,900 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$621
+12%inflation adjusted, since 2000
from $370 in 2000
US average: $1,124
Owner-occupied
80.2%
+2.3 ptssince 2000
from 77.8% in 2000
19.8% rent
Afford Score
2.2
+2%since 2009
from 2.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Delaware County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.8%(18,179)
Black0.1%(12)
Hispanic / Latino0.7%(121)
Asian0.1%(26)
Other0%
2020
White, non-Hispanic95.5%(16,706)
Black0.7%(122)
Hispanic / Latino1.4%(244)
Asian0.2%(39)
Other1.9%(329)
Segregation Score
4
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
Mexican1%(173)
Guatemalan0.2%(32)
Cuban0.1%(15)
Asian origin
Chinese0.2%(42)
Filipino0.1%(24)
Asian Indian0.1%(17)
Thai0%(2)
Ancestry
German49.5%(8,470)
Irish15.8%(2,701)
English7.6%(1,298)
American5.8%(989)
Czech2.1%(364)
Norwegian1.5%(265)
Dutch1.5%(259)
French1.4%(242)
Swedish1.4%(237)
Welsh0.6%(109)
Polish0.6%(108)
Scottish0.6%(106)
+ 11 more ancestry groups with data
Italian0.5%(83)
Danish0.4%(74)
Swiss0.4%(70)
Lebanese0.2%(42)
Greek0.1%(21)
British0.1%(15)
Scotch-Irish0.1%(15)
Belgian0%(2)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Czech population
Section 05

Education

Bachelor's degree or higher
17.4%
+4.4 ptssince 2000
from 13.0% in 2000
US average: 32.9%
High school or higher
90.9%
+5.8 ptssince 2000
from 85.1% in 2000
US average: 88.5%
Graduate degree
5.3%
+2.2 ptssince 2000
from 3.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
22.2 min
+40%since 2000
from 15.9 min in 2000
US average: 26.9
Drive alone to work
81.6%
+5.5 ptssince 2009
from 76.0% in 2009
US average: 75.1%
No vehicle available
3.4%
+1.3 ptssince 2009
from 2.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.7%
−2.1 ptssince 2011
from 3.9% in 2011
US average: 5.4%
Labor force participation
71.1%
+0.1 ptssince 2011
from 71.0% in 2011
US average: 63.4%
Management & professional
32.4%
−29.8 ptssince 2009
from 62.1% in 2009
US average: 39.3%
Section 08

People & community

Male
50.8%
+1.1 ptssince 2009
from 49.7% in 2009
Female
49.2%
−1.1 ptssince 2009
from 50.3% in 2009
Foreign born
0.7%
+0.4 ptssince 2009
from 0.3% in 2009
US average: 13.5%
Uninsured
3.6%
−90.6 ptssince 2013
from 94.2% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married25.7%(1,854)
Married58.9%(4,246)
Widowed3%(214)
Divorced12.4%(897)
Women 15+
Never married20.6%(1,448)
Married59.5%(4,179)
Widowed11.3%(797)
Divorced8.6%(601)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Delaware County

Inyo County
Pop 18,158
Bethel Census Area
Pop 18,391
Oglethorpe County
Pop 16,415
Crawford County
Pop 18,648
Places similar to Delaware County
Head to head

Compare Delaware County to nearby counties

DELAWARE COUNTY VS
Buchanan County
Income$78,236+22%
Home value$176,000+25%
Population20,883+18%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Dubuque County
Income$77,630+22%
Home value$237,300+68%
Population99,381+462%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Clayton County
Income$67,242+5%
Home value$168,500+19%
Population16,845−5%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Jones County
Income$73,531+15%
Home value$184,800+31%
Population21,253+20%
SEE FULL COMPARISON →
Frequently asked

How many people live in Delaware County, Iowa?

Delaware County, Iowa has about 17,488 residents according to the 2020 American Community Survey.

What is the median household income in Delaware County, Iowa?

The typical household in Delaware County, Iowa earns about $63,877 a year. Half of households make more than that, and half make less.

Is Delaware County, Iowa expensive?

In Delaware County, Iowa, the median home is worth about $141,300, and the typical rent is about $621 a month.

How educated are people in Delaware County, Iowa?

About 17.4% of adults age 25 and over in Delaware County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Delaware County, Iowa?

About 8.7% of people in Delaware County, Iowa live below the federal poverty line.

Has Delaware County, Iowa grown since 1990?

Yes, Delaware County, Iowa has shrunk since 1990. The population has lost about 547 residents, a change of about -3 percent over that period.

Keep going

Explore from here

4 census tracts
Census Tract 9503Census Tract 9504Census Tract 9501Census Tract 9502
9 ZIP codes
ZIP 52057ZIP 52040ZIP 52237ZIP 52041ZIP 52223ZIP 52330ZIP 52038ZIP 52050ZIP 52036
Up the hierarchy
All counties in Iowa
Rankings
Highest income countiesLowest poverty counties

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →