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Delaware, Iowa Demographics & Population 2026

During the 2020–2024 ACS period, Delaware, Iowa had a total population of 138, the 789th largest city in Iowa, with a median household income of $78,750, which is 5% higher than the state average. The poverty rate is 2.9%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Delaware Quick Facts

Population 138
Median Household Income $78,750
Median Home Value $143,400
Poverty Rate 2.9%
Unemployment Rate 2.5%
Median Age 55.0 years
Homeownership Rate 83.8%
Affordability Ratio 1.8x
Bachelor's Degree or Higher 8.7%
High School Graduation Rate 95.7%
Diversity Index 32/100
Population 138 789th of 1,017
Median Income $78,750 top 30%
Poverty Rate 2.9% 77% lower than national
Median Home Value $143,400 above average

How Delaware Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population126138+9.5%
Median household income$72,083$78,750+9.2%
Median home value$139,500$143,400+2.8%

How Delaware Compares

Economy & Housing

Household Income Distribution

Under $25K 5.9%
$25K-$50K 16.2%
$50K-$100K 57.4%
$100K+ 20.6%
Detailed income brackets
Under $10K
0.0%
$10K-$15K
1.5%
$15K-$20K
0.0%
$20K-$25K
4.4%
$25K-$30K
7.3%
$30K-$35K
2.9%
$35K-$40K
0.0%
$40K-$45K
2.9%
$45K-$50K
2.9%
$50K-$60K
13.2%
$60K-$75K
11.8%
$75K-$100K
32.4%
$100K-$125K
7.3%
$125K-$150K
8.8%
$150K-$200K
0.0%
$200K+
4.4%

Employment

2.5% Unemployment Rate State: 3.6%|National: 5.2%
68.1% Labor Force Participation

Housing Overview

Owner 83.8%
Renter 16.2%
Affordability Index Very Affordable
1.8x home value to income ratio
Median gross rent $618/mo 9.4% of median household income annually

People & Demographics

Diversity Index

32out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 31 | National average: 61

Education

Delaware Rankings in Iowa

#789 Population of 1,017
#241 Median Income of 948
#829 Education of 1,016
#370 Home Value of 947

Other Cities in Delaware County

CityPopulationMedian IncomePovertyHome Value
Manchester 5,191 $61,191 11.4% $139,400
Earlville 868 $76,250 8.3% $161,400
Edgewood 752 $61,625 8.6% $173,700
Hopkinton 676 $71,563 10.8% $127,400
Colesburg 545 $51,719 4.4% $117,100
Delhi 432 $87,750 5.3% $170,100
Ryan 346 $60,625 6.8% $155,400
Greeley 252 $49,375 22.0% $98,300
Dundee 177 $51,875 10.7% $139,300
Masonville 68 $50,000 8.8% $65,600

Cities Similar to Delaware

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Blairsburg139$81,250$129,20011.0%13.7%
Chapin137$73,091$94,00053.4%0.0%
New Liberty141$86,250$127,8007.1%12.5%
Little Sioux129N/A$39,40012.4%25.6%
Franklin148N/A$111,30011.7%1.4%

A note before these figures: with a population of 138, Delaware's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Delaware is a small community located in Iowa, within Delaware County. The total population is 138. It ranks as the 789th most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Delaware is 55.0 years. This is 42% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Delaware is $78,750. This is 5% higher than the state median of $75,059. It is also 2% lower than the national median of $80,734. The poverty rate stands at 2.9%. This is 74% lower than the state poverty rate of 11.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.5%. This is 29% lower than the state rate of 3.6%. The median home value is $143,400. Housing costs are 31% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.8x, Delaware is one of the most affordable housing markets in the area. 83.8% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 71.7%.

Race & Ethnicity

The largest racial or ethnic group in Delaware is White (non-Hispanic), making up 81.2% of the population. Hispanic or Latino residents account for 3.6%. The Hispanic or Latino population (3.6%) is well below the state average of 7.3%.

Education

8.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 72% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.7%.

Data Sources & Methodology

All demographic data for Delaware, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

Free data download: Get all Iowa city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Delaware, Iowa?

Delaware, Iowa has a population of 138 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Delaware, IA?

The median household income in Delaware is $78,750, which is 2% lower than the national median of $80,734.

What is the poverty rate in Delaware, IA?

The poverty rate in Delaware is 2.9%. This means approximately 4 residents live below the federal poverty line.

What is the racial makeup of Delaware, Iowa?

Delaware's population is 81.2% White, 0.0% Black, 3.6% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Delaware, IA?

The median home value in Delaware is $143,400. The home-value-to-income ratio is 1.8x.

How educated is Delaware, Iowa?

8.7% of adults (25+) in Delaware hold a bachelor's degree or higher, and 1.7% hold a graduate or professional degree.