Mercer, WI demographics:
population, income, and more

Total population
365
-32.3% year-over-year change
Median household income
$37,917/yr
-26.4% year-over-year change
Housing units
478
-12.1% year-over-year change

Mercer population

How many people live in Mercer

Mercer is home to 365 residents, according to the most recent Census data. Gender-wise, 47.7% of Mercer locals are male, and 52.3% are female.

Total population
365
-32.3% year-over-year change
Gender ratio
Male
47.7%
174
Female
52.3%
191
Value Percent YoY change
Male 174 47.7% -27.5%
Female 191 52.3% -36.1%
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 Mercer is 62, with the population distributed as follows: about 5.8% are children under 15, then 3.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 18.9% of the population, while another 34.5% fall into the 45 to 64 bracket. Finally, around 37.3% are 65 or older.

Median age
61.7
Age breakdown
Under 15
5.8%
15 to 24
3.6%
25 to 44
18.9%
45 to 64
34.5%
Over 65
37.3%
Value Percent YoY change
Under 15 21 5.8% -69.1%
15 to 24 13 3.6% -69.8%
25 to 44 69 18.9% -42.0%
45 to 64 126 34.5% -24.6%
Over 65 136 37.3% -4.2%
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

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 365 100% -30.9%
Racial breakdown
White
100%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0%
Value Percent
White 365 100%

Households in Mercer

A peek inside Mercer households

Mercer has 241 households, with an average of 2 members in each. Of these, 36.9% are families, while the remaining 63.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
241
-9.7% year-over-year change
Average people per household
2
Non-family households
152
Family households
89
Value Percent YoY change
Non-family households 152 63.1% 10.1%
Family households 89 36.9% -31.0%
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 478 units, with 81.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.5% 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 1.7% of the housing landscape.

Housing units
478
-12.1% year-over-year change
Housing types
Value Percent
1 unit, detached 389 81.4%
1 unit, attached 7 1.5%
2 units 12 2.5%
5 to 9 units 11 2.3%
10 to 19 units 51 10.7%
Mobile home 8 1.7%
Homes built since 2020
0
% year-over-year change

The age of buildings in Mercer

In Mercer, the median construction year is 1978. About 15.3% of homes were built before the 1940s, with another 4.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 73 15.3% -13.1%
Built between 1940 and 1949 20 4.2% 122.2%
Built between 1950 and 1959 79 16.5% -17.7%
Built between 1960 and 1969 22 4.6% -38.9%
Built between 1970 and 1979 53 11.1% -50.0%
Built between 1980 and 1989 42 8.8% -20.8%
Built between 1990 and 1999 53 11.1% 47.2%
Built between 2000 and 2009 136 28.4% 9.7%
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 241 occupied housing units in Mercer, 71.8% are owner-occupied, while 28.2% are lived in by tenants. Meanwhile, 49.6% of all homes on the local market sit vacant.

Occupied housing units
241
-9.7% year-over-year change
Occupancy breakdown
Renter occupied
68
Owner occupied
173
Value Percent YoY
change
Renter occupied 68 28.2% -10.5%
Owner occupied 173 71.8% -9.4%
Unoccupied housing units
49.6%
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 $808 per month, while tenants specifically pay a median gross rent of $334.

Median housing costs per month
$808/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
$334/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 36% of the population in Mercer went to high school, while 27.7% pursued college studies. Another 10.6% earned an associate degree and 15% hold a bachelor’s. Meanwhile, 1.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 30 8.8% 7.1%
High school diploma 122 36% -20.8%
College diploma 94 27.7% -28.2%
Associate degree 36 10.6% -39.0%
Bachelor's degree 51 15% -1.9%
Graduate degree 6 1.8% -64.7%
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 $51,481 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -17.2% change from the previous year. At the same time, the median income stood at $37,917, reflecting a -26.4% shift over the same period.

Average household income in Mercer
$51,481/year
-17.2% year-over-year change
Median household income in Mercer
$37,917/year
-26.4% 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 $67,885. Those with someone between 45 and 64 in charge, often well established professionally, earn $30,000 overall. Overall, 82.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $67,885 1.1%
45 - 64 $30,000 0.9%
Over 65 $28,375 -31.5%
Above poverty level
298
Below poverty level
65
Value Percent YoY
change
Above poverty level 298 82.1% -28.4%
Below poverty level 65 17.9% -28.6%

Average renter income in Mercer

To get a better sense of what renters earn on average in Mercer, their median household income was $28,750 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 13.9%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$28,750
Rent-to-income ratio
13.9%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Mercer

Workforce and job types in Mercer

The job market in Mercer is powered by 182 working residents, spread across a range of industries and roles. 59.9% of the working population are employed in professional or administrative positions, while 40.1% are in hands-on or service-based jobs. Also, 9.9% run their own businesses, 76.4% are employed by private companies, and 9.9% work in the public sector.

Workforce demographics

Working population
182
-28.1% year-over-year change
White collar
109
Blue collar
73
Value Percent YoY change
White collar 109 59.9% -24.3%
Blue collar 73 40.1% -33.0%
Employer type
Self employees
9.9%
Private companies
76.4%
Governmental workers
9.9%
Not for profit companies
3.8%
Value Percent YoY change
Self employees 18 9.9% -25.0%
Private companies 139 76.4% -24.0%
Governmental workers 18 9.9% -40.0%
Not for profit companies 7 3.8% -56.2%

Transportation in Mercer

How people get around in Mercer

Commuting methods vary: 96.6% of residents travel by personal vehicle and 2.2% 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 173 96.6% -28.8%
Walk 4 2.2% N/A
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
54547 1,549 788 $63,500 $74,953

Explore more communities

FAQs about Mercer demographics 

What is the total population of Mercer?

Mercer has a total population of 365 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 -32.3% compared to a year ago.

What is the gender ratio in Mercer?

The gender ratio in Mercer is as follows:
  • 47.7% males (174 residents)
  • 52.3% females (191 residents)

What is the median age in Mercer?

The median age in Mercer is 61.7.

What is the age distribution of the population in Mercer?

The age distribution in Mercer is as follows:
  • Under 15: 5.8% (21 residents)
  • Ages 15-24: 3.6% (13 residents)
  • Ages 25-44: 18.9% (69 residents)
  • Ages 45-64: 34.5% (126 residents)
  • Over 65: 37.3% (136 residents)

What is the racial and ethnic makeup of Mercer?

The racial and ethnic makeup of Mercer is as follows:
  • White: 100% (365 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 0% (0 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 100% of the population in Mercer.

How many housing units are there in Mercer?

There are 478 housing units in Mercer, reflecting a -12.1% 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 241 households, with an average of 2 people in each.

What is the median household income in Mercer?

Mercer has a median household income of $37,917, representing a -26.4% 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: 59.9% (109 residents)
  • Blue-collar workers: 40.1% (73 residents)

Places of employment:
  • Self-employed: 9.9% (18 residents)
  • Private companies: 76.4% (139 residents)
  • Governmental workers: 9.9% (18 residents)
  • Not-for-profit companies: 3.8% (7 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