South Berwick CDP, Maine Demographics & Population 2026

Name: South Berwick CDP, Maine Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, South Berwick CDP, Maine has a total population of 3,441, the 43rd largest city in Maine, with a median household income of $77,493, which is 8% higher than the state average. The poverty rate is 3.7%.

Key Takeaways

An exceptionally low poverty rate of 3.7% — among the lowest in Maine.
Unemployment rate of 10.2% is notably above the national average.

South Berwick CDP Quick Facts

Population 3,441

Median Household Income $77,493

Median Home Value $340,800

Poverty Rate 3.7%

Unemployment Rate 10.2%

Median Age 45.8 years

Homeownership Rate 68.7%

Affordability Ratio 4.4x

Bachelor's Degree or Higher 40.3%

High School Graduation Rate 97.1%

Diversity Index 20/100

Population 3,441 43rd of 155

Median Income $77,493 top 30%

Poverty Rate 3.7% 70% lower national

Median Home Value $340,800 top 30%

How South Berwick CDP Compares

Median Household Income

South Berwick CDP

$77,493

$71,773

National

$78,538

Median Home Value

South Berwick CDP

$340,800

$266,400

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 15.6%

$25K-$50K 13.3%

$50K-$100K 37.4%

$100K+ 33.7%

Employment

10.2% Unemployment Rate State: 3.9% | National: 5.2%

73.9% Labor Force Participation

Housing Overview

Owner 68.7%

Renter 31.3%

Affordability Index Moderate

4.4x home value to income ratio

People & Demographics

Age Distribution

Under 18

19.5%

18-34

17.8%

35-54

21.7%

55-74

33.2%

75+

7.8%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 17 | National average: 60

Education

Educational Attainment (Adults 25+)

South Berwick CDP Rankings in Maine

#43 Population of 155

#33 Median Income of 155

#46 Education of 155

#39 Home Value of 155

Explore Maine Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to South Berwick CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Lisbon CDP	3,453	$72,066	$217,200	24.6%	7.8%
Camden CDP	3,665	$80,897	$473,800	66.5%	9.0%
Lake Arrowhead CDP	3,273	$84,221	$226,400	20.6%	14.3%
York Harbor CDP	3,853	$91,675	$561,700	36.0%	6.1%
Bucksport CDP	3,140	$58,644	$193,800	22.4%	13.9%

Population Overview

South Berwick CDP is a small community located in Maine. The total population is 3,441. It ranks as the 43rd most populous out of 155 cities and towns in Maine.

Age Demographics

The median age in South Berwick CDP is 45.8 years. This is 2% higher than the state median of 44.8 years.

Economy, Income & Housing

The median household income in South Berwick CDP is $77,493. This is 8% higher than the state median of $71,773. Compared to the national median of $78,538, household income here is 1% lower. The poverty rate stands at 3.7%. This is 66% lower than the state poverty rate of 10.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 10.2%. This is 160% higher than the state rate of 3.9%. The median home value is $340,800. Housing costs are 28% higher than the state median of $266,400. The home-value-to-income ratio is 4.4x. 68.7% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 74.0%.

Race & Ethnicity

South Berwick CDP has a predominantly White (non-Hispanic) population, comprising 89.2% of all residents. Hispanic or Latino residents account for 6.0%. The Hispanic or Latino population is significantly higher than the state average (6.0% vs 2.1%).

Education

40.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% higher than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.1%. Notably, 16.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for South Berwick CDP, Maine is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Maine state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 155 Census-designated places in Maine. For official data, visit data.census.gov.

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Frequently Asked Questions

What is the population of South Berwick CDP, Maine?

South Berwick CDP, Maine has a population of 3,441 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in South Berwick CDP, ME?

The median household income in South Berwick CDP is $77,493, which is 1% lower the national median of $78,538.

What is the poverty rate in South Berwick CDP, ME?

The poverty rate in South Berwick CDP is 3.7%. This means approximately 127 residents live below the federal poverty line.

What is the racial makeup of South Berwick CDP, Maine?

South Berwick CDP's population is 89.2% White, 0.0% Black, 6.0% Hispanic/Latino, and 1.1% Asian.

What is the median home value in South Berwick CDP, ME?

The median home value in South Berwick CDP is $340,800. The home-value-to-income ratio is 4.4x.

How educated is South Berwick CDP, Maine?

40.3% of adults (25+) in South Berwick CDP hold a bachelor's degree or higher, and 16.1% hold a graduate or professional degree.