Delaware City Population

2010–2026

1,951

2026 projection

3.5% since 2020 (increase)

05001K1.5K2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Delaware City. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,951+120.62%
20251,939+70.36%
20241,932+160.84%
20231,916+180.95%
20221,898+110.58%
20211,887+20.11%
20201,885+70.37%
20191,878+110.59%
20181,867+70.38%
20171,860+50.27%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Delaware City is growing about as fast as New Castle County and the U.S., and slower than Delaware.

  • Delaware+6.9%
  • United States+3.1%
  • Delaware City+3.0%
  • New Castle County+3.0%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Delaware City Demographics

40.4median age

Median age

Female42.2 yrs
Male40.3 yrs

Adults

1,509
383 seniors (65+) · 25% of adults1,126 other adults

Sex

Female 45.5% · 887Male 54.5% · 1,063

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 20 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Delaware City Income

$85,395median household income

Median household income

$85,395

Half of households earn more, half earn less

Median earnings

$62,500

Typical yearly pay for a worker 25 or older.

Poverty rate

6.4%

About 1 in 16 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Delaware City Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%50%46%
Never married31%31%32%
Divorced11%10%13%
Widowed7%6%9%
Separated2%3%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201