Counties with the most born-and-bred residents in Delaware

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August 25, 2025
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Counties with the most born-and-bred residents in Delaware

In the first year of the pandemic, migration out of like New York and San Francisco was especially notable. Many where the weather is warmer and the cost of living significantly lower.

But by the second year of the pandemic, it became clear that not everyone who was moving wanted to go far. A 2024 analysis of movement out of crowded cities from the U.S. Census Bureau showed that many people leaving city centers in the same metro area. In the Phoenix metro area, for example, growth rates are higher in more distant suburbs of Maricopa, Casa Grande, Coolidge, and Eloy compared to Scottsdale and Mesa.

According to the latest data from the Census Bureau, released in September 2023, 53.5% of people who moved in 2022 and an additional 24.3% remained in state, meaning more than three-quarters of movers stuck close to home.

Many young people in particular are remaining in the state, town, or even house that they grew up in. Before the pandemic, the number of was on the rise and those patterns have continued. A late 2023 survey released by Lending Tree found that 57% of millennials and Gen Zers .

Many people choose not to leave the state they were raised in for reasons ranging from wanting to be , to to leave, to sticking with a lower cost of living.

In order to determine where people stay put in your home state, compiled a list of counties with the most born-and-bred residents in Delaware using data from the . Counties are ranked by the highest percentage of residents who were born in the state according to the latest data, which is 2023 five-year estimates. The percentage of residents who were born in another state, a U.S. territory, and another country is also included.

Read on to find out where the most loyal Delaware residents live.

#3. Sussex County

- Population: 247,799
- Born in Delaware: 90,810 (36.6% of population)
- Born in a different state: 133,671 (53.9% of population)
- Born in U.S. territories: 2,473 (1.0% of population)
- Born in another country: 20,845 (8.4% of population)

#2. New Castle County

- Population: 573,030
- Born in Delaware: 257,400 (44.9% of population)
- Born in a different state: 234,144 (40.9% of population)
- Born in U.S. territories: 10,940 (1.9% of population)
- Born in another country: 70,546 (12.3% of population)

#1. Kent County

- Population: 185,043
- Born in Delaware: 87,722 (47.4% of population)
- Born in a different state: 78,993 (42.7% of population)
- Born in U.S. territories: 5,025 (2.7% of population)
- Born in another country: 13,303 (7.2% of population)

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