Middletown, Delaware Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Middletown, Delaware is 24,071 as of the 2023 American Community Survey, making it the 4th-largest city in Delaware. The median household income is $115,252, the median home value is $399,500, and the median age is 38.4.
The population has grown 35.4% since 2010 (18,970 → 25,686).
24,071
Population
1783
People / sq mi
$115,252
Median Income
$399,500
Median Home Value
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Middletown covers 13.5 sq mi of land at 1783 people per square mile.
About Middletown, DE
Middletown is distinguished by its share of foreign-born residents, 53.2% of the population. Middletown is a city in Delaware with a population of 24,071. That makes it one of the ten largest cities in Delaware in the country, at #4 by population.
Households take in a median $115,252, comfortably above the US median of $78,538. Poverty runs at 7.8%, below the national 12.4%. Median home value is $399,500, with typical rent around $1,567.
Educational attainment is on the higher side for US cities — 45.5% of adults hold a four-year degree, above the national 35.0%. A solid 17.5% of workers are based at home, above the national 14.0%, and the average commute runs about 29 minutes each way.
The large foreign-born share is a defining thread in Middletown, shaping language, household composition, and the labor force behind the economic figures above.
Middletown town Population History (2010-2024)
The city of Middletown town had a population of 18,970 in 2010 and 25,686 in 2024, a 35.4% growth over 14 years. The peak was 25,686 in 2024. Average annual growth rate: 2.19%.
25,686
Population (2024)
18,970
Population (2010)
25,686
Peak (2024)
2.19%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,970 |
| 2011 | 19,324 |
| 2012 | 19,519 |
| 2013 | 19,739 |
| 2014 | 20,041 |
| 2015 | 20,501 |
| 2016 | 21,055 |
| 2017 | 21,611 |
| 2018 | 22,358 |
| 2019 | 22,900 |
| 2020 | 23,392 |
| 2021 | 24,279 |
| 2022 | 24,755 |
| 2023 | 25,188 |
| 2024 | 25,686 |
Race & Ethnicity
| White | 56.6% |
| Black or African American | 28.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Economy & Income
$115,252
Median Household Income
$54,362
Per Capita Income
7.8%
Poverty Rate
3.8%
Unemployment Rate
Housing
$399,500
Median Home Value
$1,567
Median Rent
76.3%
Owner-Occupied
Education
95.6%
High School+
45.5%
Bachelor's+
Commute
0.7%
Drive Alone
76.4%
Public Transit
17.5%
Work From Home
29.2 min
Avg Commute
Community Profile
53.2%
Foreign Born
86.1%
Non-English at Home
6.5%
Veterans
12.0%
With Disability
96.9%
Health Insurance
98.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 28.5% |
| Information | 13.9% |
| Finance, Insurance & Real Estate | 10.5% |
| Education, Health Care & Social Services | 8.7% |
| Manufacturing | 6.9% |
| Public Administration | 4.0% |
| Retail Trade | 3.8% |
| Construction | 3.0% |
| Transportation & Warehousing | 2.3% |
| Arts, Entertainment & Food Services | 2.0% |
| Agriculture & Mining | 0.4% |
Largest cities in Delaware
Largest counties in Delaware
Part of Delaware
Metro areas in Delaware
City rankings
Frequently Asked Questions
Middletown, Delaware has a population of 24,071 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest city in Delaware.
The median household income in Middletown, Delaware is $115,252, with 7.8% of residents living below the federal poverty level.
The median home value in Middletown, Delaware is $399,500, with median monthly rent at $1,567 and a homeownership rate of 76.3%.
The median age in Middletown, Delaware is 38.4 years. The population is 43.6% male and 56.4% female.
The population has grown 35.4% since 2010 (18,970 → 25,686).
Where to stay in Middletown
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Full rankings of Delaware cities by population
Statewide data for Delaware
Population, race, income, age, and trends across Delaware
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.