Demographics & People — Long Hill CDP (New London County), Connecticut
Population Overview
Population (Census)
4,292
Estimated 2026
~4,700
Median Age
32.7
Total Households
2,206
Family Households
891
Average Household Size
1.83
Diversity Index
0.5286 (moderately diverse)
Race & Ethnicity
White
2,620
Black or African American
211
Asian
848
Hispanic or Latino
382
Heritage & Ancestry
Group
Count
Unclassified or not reported
1,225
Other groups
1,199
Irish
859
German
413
Italian
362
Hispanic: Hispanic or Latino
313
English
231
Polish
227
Hispanic: Puerto Rican
216
Welsh
151
Language
English Only
3,118
Spanish
269
Population 5+
4,154
Veterans
Veterans
305
Population 18+
3,638
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Long Hill CDP (New London County), Connecticut.