RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Irish population, Delaware cities · 2020

Delaware cities ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 21 cities in Delaware that qualify, ranked against each other statewide.

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DelawareAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Wilmington, DEDE73,5125,141−30%

02Newark, DEDE30,3594,678−28%

03Dover, DEDE40,5923,760−15%

04Middletown, DEDE25,7983,148−2%

05Hockessin, DEDE13,4392,869−18%

06Bear, DEDE22,3701,836−21%

07Pike Creek Valley, DEDE12,4311,802−33%

08Smyrna, DEDE13,3401,780+27%

09Milford, DEDE14,7231,566+6%

10Glasgow, DEDE15,5461,558−41%

11Claymont, DEDE8,7861,513−19%

12Brookside, DEDE15,1151,410−49%

13North Star, DEDE7,8341,289−35%

14Seaford, DEDE9,1651,103+41%

15Pike Creek, DEDE7,1291,071−59%

16Elsmere, DEDE6,1961,049−27%

17Wilmington Manor, DEDE8,214910−35%

18New Castle, DEDE5,726900−8%

19Millsboro, DEDE7,890822+32%

20Edgemoor, DEDE6,349645−29%

21Georgetown, DEDE8,291436−22%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS