Immigration in Delaware

Foreign-born population, origins and migration flows.

Foreign-born residents
11.6%
2024 · Census American Community Survey 1-year estimates
Foreign-born residents who are naturalized citizens
52.5%
2024 · Census American Community Survey 1-year estimates
Total net migration
10,328
2025 · Census Bureau Population Estimates Program
Net international migration
3,473
2025 · Census Bureau Population Estimates Program
Net domestic migration
6,855
2025 · Census Bureau Population Estimates Program
Foreign-born
111,000
10.7%
Naturalized citizens
58,000
Non-citizen residents
53,000

Historical data

Pick an indicator to see its long-run evolution.

Foreign-born share

1900–2023
10.7%

Share of residents born outside the U.S.

Foreign-Born Population

Roughly 111,000 Delaware residents, or 10.7% of the population, were born outside the United States, a share that has grown steadily over the past decade.

Foreign-born residents
11.6%
2024 · Census American Community Survey 1-year estimates
Foreign-born population
121,583
2024 · Census American Community Survey 1-year estimates
Share of population
10.7%

Foreign-born residents

2006–2024
11.6%

Census American Community Survey 1-year estimates, share of total population, B05002 (2020 not released).

Foreign-born population

2006–2024
121,583▲ 77%

Census American Community Survey 1-year estimates, B05002 (2020 not released).

IndicatorDelawareU.S.
Foreign-born share (%)10.713.9
  • •Delaware's foreign-born population has grown alongside its overall 1.0% annual population growth rate.

Countries of Origin

Mexico, India, and Guatemala are the leading countries of origin for Delaware's foreign-born residents, reflecting both agricultural and professional-sector migration.

Foreign-born residents who are naturalized citizens
52.5%
2024 · Census American Community Survey 1-year estimates
Foreign-born population
111,000

Foreign-born residents who are naturalized citizens

2006–2024
52.5%

Census American Community Survey 1-year estimates, B05002 (2020 not released).

IndicatorDelawareU.S.
Foreign-born population (k)111140
  • •Indian-born residents in Delaware are concentrated near the state's financial and biotech employers in New Castle County.

Migration Flows

Combined domestic and international migration into Delaware totals roughly 7,000 net new residents annually, a key driver of the state's population growth.

Total net migration
10,328
2025 · Census Bureau Population Estimates Program
Net international migration
3,473
2025 · Census Bureau Population Estimates Program
Net migration total
7,000

Total net migration

2011–2025
10,328▲ 128%

Census Bureau Population Estimates Program, international plus domestic net migration, July–June years (2020 partial year omitted).

Net international migration

2011–2025
3,473▲ 107%

Census Bureau Population Estimates Program, net international migration, July–June years (2020 partial year omitted).

IndicatorDelawareU.S.
Net migration total70003200
  • •Delaware's population grew about 1.0% in the past year, driven largely by migration rather than natural increase.

International Migration

Delaware gains a modest but steady flow of international migrants each year, contributing to its 1.0% annual population growth rate alongside domestic in-migration.

Net international migration
3,473
2025 · Census Bureau Population Estimates Program

Net international migration

2011–2025
3,473▲ 107%

Census Bureau Population Estimates Program, net international migration, July–June years (2020 partial year omitted).

  • •International migration is one of several factors behind Delaware's steady 1.0% annual population growth.

Domestic Migration

Delaware has experienced positive net domestic migration in recent years, as residents relocate from higher-cost neighboring states like New Jersey and Pennsylvania.

Net domestic migration
6,855
2025 · Census Bureau Population Estimates Program

Net domestic migration

2011–2025
6,855▲ 140%

Census Bureau Population Estimates Program, net domestic migration to/from other states, July–June years (2020 partial year omitted).

  • •No state sales tax and low property taxes make Delaware attractive to retirees relocating from nearby states.

More figures

Annual new immigrants
≈ 5,400
2023
Top origin
Mexico
2nd origin
India
3rd origin
Guatemala
Undocumented residents
≈ 22,000
Est.