ZIP code
06378
Stonington, CT
06378 covers Stonington in New London County, with 5,408 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 06378. Methodology
ZIP code map of 06378
About ZIP code 06378
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 06378. Not ACS. Methodology
People in 06378
Race
- White4,904
- Black or African American52
- American Indian or Alaska Native5
- Asian65
- Other race41
- Two or more races251
Hispanic or Latino (any race): 151
Age
- Under 10358
- 10 to 19552
- 20 to 29424
- 30 to 39444
- 40 to 49495
- 50 to 59924
- 60 to 691,041
- 70 to 79758
- 80 and older322
Income and housing in 06378
Education
- High school graduate99.2%
- Bachelor's degree58.8%
- Graduate degree29.1%
Places covering 06378
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Stonington18.4%
- Mystic4.3%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- New London County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
77.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 06378
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 5,306 | |
| 2006 | 4,989 | |
| 2007 | 5,185 | |
| 2008 | 5,112 | |
| 2009 | 5,070 | |
| 2010 | 5,199 | |
| 2011 | 5,342 | 5,040 |
| 2012 | 5,366 | 5,150 |
| 2013 | 5,299 | 5,060 |
| 2014 | 5,199 | 4,930 |
| 2015 | 5,237 | 4,960 |
| 2016 | 5,350 | 4,900 |
| 2017 | 5,405 | 4,970 |
| 2018 | 5,505 | 4,820 |
| 2019 | 5,594 | 4,970 |
| 2020 | 5,634 | 4,910 |
| 2021 | 5,670 | 5,020 |
| 2022 | 5,488 | 5,030 |
| 2023 | 5,408 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 06378
12 nearest ZIP centroids (any distance)
- 06379Pawcatuck3.2 miPop 9,003 · Income $87,352
- 06355Mystic3.5 miPop 12,223 · Income $132,367
- 06339Ledyard5.9 miPop 9,263 · Income $104,963
- 06359North Stonington6.3 miPop 5,154 · Income $115,069
- 02891Westerly6.4 miPop 21,698 · Income $90,435
- 06338Mashantucket6.5 miPop 62 · Income —
- 06390Fishers Island6.7 miPop 53 · Income $51,964
- 06340Groton7.1 miPop 29,833 · Income $77,768
- 02804Ashaway8.0 miPop 2,661 · Income $101,392
- 06335Gales Ferry8.6 miPop 6,100 · Income $126,121
- 02808Bradford9.0 miPop 2,561 · Income $94,712
- 02833Hopkinton9.5 miPop 662 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 06378, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 06378 FAQ
- What city is ZIP code 06378 in?
- 06378 is in Stonington, CT.
- What county is 06378 in?
- 06378 is in New London County.
- What is the median household income in 06378?
- The median household income in 06378 is $126,014.
- Which ZIP codes are near 06378?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 06378.