South Berwick town Population

2010–2026

8,030

2026 projection

7.5% since 2020 (increase)

02K4K6K8K10K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for South Berwick town. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20268,030+891.12%
20257,941+891.13%
20247,852+590.76%
20237,793+1061.38%
20227,687+1101.45%
20217,577+1041.39%
20207,473-1111.46%
20197,584+570.76%
20187,527+580.78%
20177,469+480.65%

Showing 10 of 17 years.

South Berwick town Demographics

39median age

Median age

Female39.5 yrs
Male38.5 yrs

Adults

5,625
1,209 seniors · 21%4,416 other adults

Sex

Female 51.3% · 3,935Male 48.7% · 3,735

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 77 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

South Berwick town Income

$99,572median household income

Median household income

$99,572

Half of households earn more, half earn less

Median earnings

$62,689

Typical yearly pay for a worker 25 or older.

Poverty rate

3.4%

About 1 in 29 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

South Berwick town Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%65%59%
Never married25%27%22%
Divorced8%6%11%
Widowed4%2%7%
Separated<1%0%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201