Mercer, ME demographics:
population, income, and more

Total population
1,315
-2.0% year-over-year change
Median household income
$65,931/yr
-0.2% year-over-year change
Housing units
697
3.6% year-over-year change

Mercer population

How many people live in Mercer

Mercer is home to 1,315 residents, according to the most recent Census data. Gender-wise, 47.6% of Mercer locals are male, and 52.4% are female.

Total population
1,315
-2.0% year-over-year change
Gender ratio
Male
47.6%
626
Female
52.4%
689
Value Percent YoY change
Male 626 47.6% -10.4%
Female 689 52.4% 7.2%
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 Mercer is 48, with the population distributed as follows: about 11.9% are children under 15, then 5.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.2% of the population, while another 30.6% fall into the 45 to 64 bracket. Finally, around 25.1% are 65 or older.

Median age
48
Age breakdown
Under 15
11.9%
15 to 24
5.2%
25 to 44
27.2%
45 to 64
30.6%
Over 65
25.1%
Value Percent YoY change
Under 15 156 11.9% -9.8%
15 to 24 69 5.2% -44.4%
25 to 44 358 27.2% -14.2%
45 to 64 402 30.6% -6.7%
Over 65 330 25.1% 67.5%
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 Mercer, 97.4% of the population are US-born citizens, while 1.6% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 94.2% of locals are Caucasian, 0.3% are African American and 1.5% have Asian roots. There’s also a share of 2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.4%
Non-U.S.-born citizens
1.6%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 1,281 97.4% -2.5%
Non-U.S.-born citizens 21 1.6% 16.7%
Non-citizens 13 1% 30.0%
Racial breakdown
White
94.2%
Black or African American
0.3%
American Indian and Alaska Native
0%
Asian
1.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2%
Other
2%
Value Percent
White 1,239 94.2%
Black or African American 4 0.3%
Asian 20 1.5%
Two or more races 26 2%
Other 27 2%

Households in Mercer

A peek inside Mercer households

Mercer has 599 households, with an average of 2 members in each. Of these, 66.3% are families, while the remaining 33.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
599
6.0% year-over-year change
Average people per household
2
Non-family households
201
Family households
397
Value Percent YoY change
Non-family households 201 33.6% 5.8%
Family households 397 66.3% 5.9%
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 Mercer

The housing landscape of Mercer

Mercer's housing consists of 697 units, with 77.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.7% 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 19.1% of the housing landscape.

Housing units
697
3.6% year-over-year change
Housing types
Value Percent
1 unit, detached 540 77.5%
1 unit, attached 5 0.7%
3 or 4 units 13 1.9%
5 to 9 units 1 0.1%
10 to 19 units 5 0.7%
Mobile home 133 19.1%
Homes built since 2020
1
% year-over-year change

The age of buildings in Mercer

In Mercer, the median construction year is 1985. About 17.8% of homes were built before the 1940s, with another 2.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 13.8% of homes were added from 2000 to 2009, 6.6% between 2010 and 2019, and 0.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 124 17.8% 79.7%
Built between 1940 and 1949 15 2.2% 15.4%
Built between 1950 and 1959 19 2.7% 58.3%
Built between 1960 and 1969 48 6.9% 20.0%
Built between 1970 and 1979 73 10.5% -42.5%
Built between 1980 and 1989 146 21% 17.7%
Built between 1990 and 1999 129 18.5% -15.7%
Built between 2000 and 2009 96 13.8% 6.7%
Built between 2010 and 2019 46 6.6% 2.2%
Built in 2020 or later 1 0.1% N/A
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.

Mercer occupancy rates

Out of the 599 occupied housing units in Mercer, 84% are owner-occupied, while 15.9% are lived in by tenants. Meanwhile, 14.1% of all homes on the local market sit vacant.

Occupied housing units
599
6.0% year-over-year change
Occupancy breakdown
Renter occupied
95
Owner occupied
503
Value Percent YoY
change
Renter occupied 95 15.9% -2.1%
Owner occupied 503 84% 7.5%
Unoccupied housing units
14.1%
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.

Mercer housing costs

Housing costs in Mercer come to a median of $783 per month, while tenants specifically pay a median gross rent of $1,073.

Median housing costs per month
$783/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 Mercer
$1,073/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 Mercer

Mercer education at a glance

About 49.4% of the population in Mercer went to high school, while 15.4% pursued college studies. Another 10.8% earned an associate degree and 14.8% hold a bachelor’s. Meanwhile, 8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 19 1.6% 46.1%
High school diploma 570 49.4% -2.4%
College diploma 177 15.4% -13.2%
Associate degree 124 10.8% -13.9%
Bachelor's degree 171 14.8% 35.7%
Graduate degree 92 8% 5.8%
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 Mercer

How much people earn in Mercer

The average annual household income in Mercer was $116,662 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.3% change from the previous year. At the same time, the median income stood at $65,931, reflecting a -0.2% shift over the same period.

Average household income in Mercer
$116,662/year
1.3% year-over-year change
Median household income in Mercer
$65,931/year
-0.2% year-over-year change

Mercer income by age

In Mercer, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $60,938. Those with someone between 45 and 64 in charge, often well established professionally, earn $96,442 overall. Overall, 80.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $60,938 -8.0%
45 - 64 $96,442 3.9%
Over 65 $50,988 40.9%
Above poverty level
1,041
Below poverty level
257
Value Percent YoY
change
Above poverty level 1,041 80.2% 8.4%
Below poverty level 257 19.8% -26.8%

Employment in Mercer

Workforce and job types in Mercer

67.3% of the working population are employed in professional or administrative positions, while 32.7% are in hands-on or service-based jobs. Also, 22.9% run their own businesses, 51.7% are employed by private companies, and 16.7% work in the public sector.

Workforce demographics

White collar
378
Blue collar
184
Value Percent YoY change
White collar 378 67.3% -15.8%
Blue collar 184 32.7% -6.6%
Employer type
Self employees
22.9%
Private companies
51.7%
Governmental workers
16.7%
Not for profit companies
8.7%
Value Percent YoY change
Self employees 129 22.9% 8.4%
Private companies 291 51.7% -21.6%
Governmental workers 94 16.7% -13.0%
Not for profit companies 49 8.7% 4.3%

Transportation in Mercer

How people get around in Mercer

Means of transportation
Value Percent YoY change
Car 419 100% -21.4%
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 Mercer by zipcode?

Zipcode Population Number of households Median income Average income
04957 4,006 1,824 $65,931 $116,662

Explore more communities

FAQs about Mercer demographics 

What is the total population of Mercer?

Mercer has a total population of 1,315 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 -2.0% compared to a year ago.

What is the gender ratio in Mercer?

The gender ratio in Mercer is as follows:
  • 47.6% males (626 residents)
  • 52.4% females (689 residents)

What is the median age in Mercer?

The median age in Mercer is 48.

What is the age distribution of the population in Mercer?

The age distribution in Mercer is as follows:
  • Under 15: 11.9% (156 residents)
  • Ages 15-24: 5.2% (69 residents)
  • Ages 25-44: 27.2% (358 residents)
  • Ages 45-64: 30.6% (402 residents)
  • Over 65: 25.1% (330 residents)

What is the racial and ethnic makeup of Mercer?

The racial and ethnic makeup of Mercer is as follows:
  • White: 94.2% (1,239 residents)
  • Black or African American: 0.3% (4 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 1.5% (20 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 2% (26 residents)
  • Other: 2% (27 residents)

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

U.S.-born citizens represent 97.4% of the population in Mercer.

How many housing units are there in Mercer?

There are 697 housing units in Mercer, reflecting a +3.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Mercer has a total of 599 households, with an average of 2 people in each.

What is the median household income in Mercer?

Mercer has a median household income of $65,931, representing a -0.2% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Mercer?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.3% (378 residents)
  • Blue-collar workers: 32.7% (184 residents)

Places of employment:
  • Self-employed: 22.9% (129 residents)
  • Private companies: 51.7% (291 residents)
  • Governmental workers: 16.7% (94 residents)
  • Not-for-profit companies: 8.7% (49 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