Delaware at a glance
Delaware had an estimated 1,059,952 residents on July 1, 2025, the 45th largest population among the 50 states and the District of Columbia.
That is up 7.1% from 989,950 in April 2020.
In the year to July 1, 2025, Delaware gained 6,855 residents from other states through migration and gained 3,473 through international migration.
The same year saw 10,328 births and 10,882 deaths, a natural decrease of 554.
The capital of Delaware is Dover.
Delaware covers 1,949 square miles of land in 3 counties, about 544 people per square mile.
| Capital | Dover |
|---|---|
| Population (2025) | 1,059,952 |
| Change since April 2020 | +70,002 |
| Land area | 1,949 sq mi |
| Counties | 3 |
The July 1 estimate rose from 991,890 in 2020 to 1,059,952 in 2025. The largest one-year gain was 15,149 people, in the year to July 1, 2022. On average it changed by +13,612 people a year.
Show the numbers
| Year | Population | Change |
|---|---|---|
| 2025 | 1,059,952 | +9,829 |
| 2024 | 1,050,123 | +14,769 |
| 2023 | 1,035,354 | +15,075 |
| 2022 | 1,020,279 | +15,149 |
| 2021 | 1,005,130 | +13,240 |
| 2020 | 991,890 | n/a |