South Berwick, ME demographics:
population, income, and more

Total population
3,381
-1.7% year-over-year change
Median household income
$90,972/yr
17.4% year-over-year change
Housing units
1,533
-6.1% year-over-year change

South Berwick population

How many people live in South Berwick

South Berwick is home to 3,381 residents, according to the most recent Census data. Gender-wise, 44.5% of South Berwick locals are male, and 55.5% are female.

Total population
3,381
-1.7% year-over-year change
Gender ratio
Male
44.5%
1,505
Female
55.5%
1,876
Value Percent YoY change
Male 1,505 44.5% -7.2%
Female 1,876 55.5% 3.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in South Berwick is 41, with the population distributed as follows: about 16.5% are children under 15, then 9.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.6% of the population, while another 30.8% fall into the 45 to 64 bracket. Finally, around 15.6% are 65 or older.

Median age
41.4
Age breakdown
Under 15
16.5%
15 to 24
9.5%
25 to 44
27.6%
45 to 64
30.8%
Over 65
15.6%
Value Percent YoY change
Under 15 557 16.5% -0.2%
15 to 24 321 9.5% 15.1%
25 to 44 934 27.6% 9.0%
45 to 64 1,041 30.8% -14.2%
Over 65 528 15.6% -0.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In South Berwick, 92.8% of the population are US-born citizens, while 1.1% have gained naturalized citizenship. At the same time, 6.1% of residents are non-citizens. There’s also a share of 7.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.8%
Non-U.S.-born citizens
1.1%
Non-citizens
6.1%
Value Percent YoY change
U.S.-born citizens 3,136 92.8% -3.7%
Non-U.S.-born citizens 38 1.1% -74.2%
Non-citizens 207 6.1% 459.5%
Racial breakdown
White
90.6%
Black or African American
0%
American Indian and Alaska Native
0.4%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.5%
Other
0.9%
Value Percent
White 3,063 90.6%
American Indian and Alaska Native 13 0.4%
Asian 20 0.6%
Two or more races 254 7.5%
Other 31 0.9%

Households in South Berwick

A peek inside South Berwick households

South Berwick has 1,459 households, with an average of 2 members in each. Of these, 71.6% are families, while the remaining 28.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,459
-5.7% year-over-year change
Average people per household
2
Non-family households
414
Family households
1,045
Value Percent YoY change
Non-family households 414 28.4% -16.0%
Family households 1,045 71.6% -0.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in South Berwick

The housing landscape of South Berwick

South Berwick's housing consists of 1,533 units, with 62.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.2% of the housing landscape.

Housing units
1,533
-6.1% year-over-year change
Housing types
Value Percent
1 unit, detached 963 62.8%
1 unit, attached 48 3.1%
2 units 104 6.8%
3 or 4 units 137 8.9%
5 to 9 units 172 11.2%
10 to 19 units 11 0.7%
20 to 49 units 79 5.2%
Mobile home 19 1.2%
Homes built since 2020
11
22.2% year-over-year change

The age of buildings in South Berwick

In South Berwick, the median construction year is 1981. About 29% of homes were built before the 1940s, with another 1.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.1% of homes were added from 2000 to 2009, 1.4% between 2010 and 2019, and 0.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 445 29% -9.6%
Built between 1940 and 1949 20 1.3% -35.5%
Built between 1950 and 1959 189 12.3% -12.5%
Built between 1960 and 1969 18 1.2% -77.5%
Built between 1970 and 1979 44 2.9% -48.8%
Built between 1980 and 1989 510 33.3% 36.0%
Built between 1990 and 1999 89 5.8% -32.1%
Built between 2000 and 2009 185 12.1% 6.9%
Built between 2010 and 2019 22 1.4% -43.6%
Built in 2020 or later 11 0.7% 22.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

South Berwick occupancy rates

Out of the 1,459 occupied housing units in South Berwick, 67% are owner-occupied, while 33% are lived in by tenants. Meanwhile, 4.8% of all homes on the local market sit vacant.

Occupied housing units
1,459
-5.7% year-over-year change
Occupancy breakdown
Renter occupied
481
Owner occupied
978
Value Percent YoY
change
Renter occupied 481 33% -0.6%
Owner occupied 978 67% -8.0%
Unoccupied housing units
4.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

South Berwick housing costs

Housing costs in South Berwick come to a median of $1,638 per month, while tenants specifically pay a median gross rent of $1,702.

Median housing costs per month
$1,638/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in South Berwick
$1,702/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in South Berwick

South Berwick education at a glance

About 13.3% of the population in South Berwick went to high school, while 24.4% pursued college studies. Another 17.3% earned an associate degree and 28.6% hold a bachelor’s. Meanwhile, 16.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1 0% -95.5%
High school diploma 353 13.3% -26.1%
College diploma 645 24.4% -8.2%
Associate degree 459 17.3% -4.0%
Bachelor's degree 759 28.6% 12.9%
Graduate degree 432 16.3% 3.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in South Berwick

How much people earn in South Berwick

The average annual household income in South Berwick was $108,112 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +14% change from the previous year. At the same time, the median income stood at $90,972, reflecting a +17.4% shift over the same period.

Average household income in South Berwick
$108,112/year
14.0% year-over-year change
Median household income in South Berwick
$90,972/year
17.4% year-over-year change

South Berwick income by age

In South Berwick, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $101,705. Those with someone between 45 and 64 in charge, often well established professionally, earn $93,438 overall. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $101,705 0.0%
45 - 64 $93,438 17.9%
Over 65 $51,250 37.4%
Above poverty level
3,195
Below poverty level
162
Value Percent YoY
change
Above poverty level 3,195 95.2% -1.1%
Below poverty level 162 4.8% 27.6%

Employment in South Berwick

Workforce and job types in South Berwick

The job market in South Berwick is powered by 1,927 working residents, spread across a range of industries and roles. 88.6% of the working population are employed in professional or administrative positions, while 11.4% are in hands-on or service-based jobs. Also, 8.7% run their own businesses, 55.5% are employed by private companies, and 12.4% work in the public sector.

Workforce demographics

Working population
1,927
2.8% year-over-year change
White collar
1,707
Blue collar
220
Value Percent YoY change
White collar 1,707 88.6% 9.6%
Blue collar 220 11.4% -30.6%
Employer type
Self employees
8.7%
Private companies
55.5%
Governmental workers
12.4%
Not for profit companies
23.4%
Value Percent YoY change
Self employees 167 8.7% 21.9%
Private companies 1,070 55.5% 5.6%
Governmental workers 239 12.4% -22.6%
Not for profit companies 451 23.4% 8.4%
Unemployment rate
4.6%
-56.3% year-over-year change

Available workforce

The unemployment rate in South Berwick stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in South Berwick

How people get around in South Berwick

Commuting methods vary: 84.2% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,588 84.2% 9.7%
Motorcycle 20 1.1% 122.2%
Walk 16 0.8% -48.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in South Berwick by zipcode?

Zipcode Population Number of households Median income Average income
03908 7,431 2,868 $98,289 $126,173

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FAQs about South Berwick demographics 

What is the total population of South Berwick?

South Berwick has a total population of 3,381 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.7% compared to a year ago.

What is the gender ratio in South Berwick?

The gender ratio in South Berwick is as follows:
  • 44.5% males (1,505 residents)
  • 55.5% females (1,876 residents)

What is the median age in South Berwick?

The median age in South Berwick is 41.4.

What is the age distribution of the population in South Berwick?

The age distribution in South Berwick is as follows:
  • Under 15: 16.5% (557 residents)
  • Ages 15-24: 9.5% (321 residents)
  • Ages 25-44: 27.6% (934 residents)
  • Ages 45-64: 30.8% (1,041 residents)
  • Over 65: 15.6% (528 residents)

What is the racial and ethnic makeup of South Berwick?

The racial and ethnic makeup of South Berwick is as follows:
  • White: 90.6% (3,063 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0.4% (13 residents)
  • Asian: 0.6% (20 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.5% (254 residents)
  • Other: 0.9% (31 residents)

What percentage of the population in South Berwick are U.S.-born citizens?

U.S.-born citizens represent 92.8% of the population in South Berwick.

How many housing units are there in South Berwick?

There are 1,533 housing units in South Berwick, reflecting a -6.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in South Berwick and what is the average household size?

South Berwick has a total of 1,459 households, with an average of 2 people in each.

What is the median household income in South Berwick?

South Berwick has a median household income of $90,972, representing a +17.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for South Berwick?

The employment rate is 95.4% in South Berwick, with a workforce of 1,927 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 88.6% (1,707 residents)
  • Blue-collar workers: 11.4% (220 residents)

Places of employment:
  • Self-employed: 8.7% (167 residents)
  • Private companies: 55.5% (1,070 residents)
  • Governmental workers: 12.4% (239 residents)
  • Not-for-profit companies: 23.4% (451 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025