Merrimac, WI demographics:
population, income, and more

Total population
570
-0.9% year-over-year change
Median household income
$92,417/yr
-9.7% year-over-year change
Housing units
310
2.3% year-over-year change

Merrimac population

How many people live in Merrimac

Merrimac is home to 570 residents, according to the most recent Census data. Gender-wise, 56.8% of Merrimac locals are male, and 43.2% are female.

Total population
570
-0.9% year-over-year change
Gender ratio
Male
56.8%
324
Female
43.2%
246
Value Percent YoY change
Male 324 56.8% 1.6%
Female 246 43.2% -3.9%
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 Merrimac is 39, with the population distributed as follows: about 18.2% are children under 15, then 13.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.6% of the population, while another 29.5% fall into the 45 to 64 bracket. Finally, around 16.5% are 65 or older.

Median age
39.3
Age breakdown
Under 15
18.2%
15 to 24
13.2%
25 to 44
22.6%
45 to 64
29.5%
Over 65
16.5%
Value Percent YoY change
Under 15 104 18.2% 3.0%
15 to 24 75 13.2% -8.5%
25 to 44 129 22.6% -7.9%
45 to 64 168 29.5% 15.1%
Over 65 94 16.5% -11.3%
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 Merrimac, 99% of the population are US-born citizens, while 1% have gained naturalized citizenship. As for race, 83.7% of locals are Caucasian, 6.3% are African American and 0.5% have Asian roots. There’s also a share of 7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99%
Non-U.S.-born citizens
1%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 564 99% -0.9%
Non-U.S.-born citizens 6 1% 0.0%
Racial breakdown
White
83.7%
Black or African American
6.3%
American Indian and Alaska Native
0%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7%
Other
2.5%
Value Percent
White 477 83.7%
Black or African American 36 6.3%
Asian 3 0.5%
Two or more races 40 7%
Other 14 2.5%

Households in Merrimac

A peek inside Merrimac households

Merrimac has 231 households, with an average of 2 members in each. Of these, 60.6% are families, while the remaining 39.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
231
1.8% year-over-year change
Average people per household
2
Non-family households
91
Family households
140
Value Percent YoY change
Non-family households 91 39.4% 2.2%
Family households 140 60.6% 1.4%
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 Merrimac

The housing landscape of Merrimac

Merrimac's housing consists of 310 units, with 83.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.9% 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 1.3% of the housing landscape.

Housing units
310
2.3% year-over-year change
Housing types
Value Percent
1 unit, detached 260 83.9%
1 unit, attached 6 1.9%
2 units 1 0.3%
3 or 4 units 2 0.6%
5 to 9 units 35 11.3%
10 to 19 units 2 0.6%
Mobile home 4 1.3%
Homes built since 2020
2
0.0% year-over-year change

The age of buildings in Merrimac

In Merrimac, the median construction year is 1964. About 35.5% of homes were built before the 1940s, with another 1.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 17.1% of homes were added from 2000 to 2009, 3.9% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 110 35.5% 0.0%
Built between 1940 and 1949 6 1.9% 20.0%
Built between 1950 and 1959 25 8.1% -3.9%
Built between 1960 and 1969 32 10.3% 10.3%
Built between 1970 and 1979 18 5.8% 12.5%
Built between 1980 and 1989 17 5.5% 0.0%
Built between 1990 and 1999 35 11.3% 6.1%
Built between 2000 and 2009 53 17.1% -1.9%
Built between 2010 and 2019 12 3.9% 9.1%
Built in 2020 or later 2 0.6% 0.0%
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.

Merrimac occupancy rates

Out of the 231 occupied housing units in Merrimac, 80.1% are owner-occupied, while 19.9% are lived in by tenants. Meanwhile, 25.5% of all homes on the local market sit vacant.

Occupied housing units
231
1.8% year-over-year change
Occupancy breakdown
Renter occupied
46
Owner occupied
185
Value Percent YoY
change
Renter occupied 46 19.9% 7.0%
Owner occupied 185 80.1% 0.5%
Unoccupied housing units
25.5%
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.

Merrimac housing costs

Housing costs in Merrimac come to a median of $1,324 per month, while tenants specifically pay a median gross rent of $992.

Median housing costs per month
$1,324/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 Merrimac
$992/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 Merrimac

Merrimac education at a glance

About 44.3% of the population in Merrimac went to high school, while 14.8% pursued college studies. Another 9.5% earned an associate degree and 20.1% hold a bachelor’s. Meanwhile, 11.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 192 44.3% -3.0%
College diploma 64 14.8% -4.5%
Associate degree 41 9.5% 7.9%
Bachelor's degree 87 20.1% 16.0%
Graduate degree 49 11.3% -7.5%
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 Merrimac

How much people earn in Merrimac

The average annual household income in Merrimac was $119,089 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -2.9% change from the previous year. At the same time, the median income stood at $92,417, reflecting a -9.7% shift over the same period.

Average household income in Merrimac
$119,089/year
-2.9% year-over-year change
Median household income in Merrimac
$92,417/year
-9.7% year-over-year change

Merrimac income by age

In Merrimac, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $143,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $91,806 overall. Overall, 93.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $143,750 -1.7%
45 - 64 $91,806 -6.4%
Over 65 $68,750 -6.8%
Above poverty level
520
Below poverty level
38
Value Percent YoY
change
Above poverty level 520 93.2% -3.0%
Below poverty level 38 6.8% 35.7%

Employment in Merrimac

Workforce and job types in Merrimac

The job market in Merrimac is powered by 290 working residents, spread across a range of industries and roles. 70.3% of the working population are employed in professional or administrative positions, while 29.7% are in hands-on or service-based jobs. Also, 5.2% run their own businesses, 79.7% are employed by private companies, and 9% work in the public sector.

Workforce demographics

Working population
290
-2.0% year-over-year change
White collar
204
Blue collar
86
Value Percent YoY change
White collar 204 70.3% -8.1%
Blue collar 86 29.7% 16.2%
Employer type
Self employees
5.2%
Private companies
79.7%
Governmental workers
9%
Not for profit companies
6.2%
Value Percent YoY change
Self employees 15 5.2% 0.0%
Private companies 231 79.7% 0.9%
Governmental workers 26 9% -25.7%
Not for profit companies 18 6.2% 5.9%
Unemployment rate
1.0%
-25.0% year-over-year change

Available workforce

The unemployment rate in Merrimac stands at 1%, 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 Merrimac

How people get around in Merrimac

Commuting methods vary: 89.9% of residents travel by personal vehicle and 0.7% 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 257 89.9% -2.6%
Walk 2 0.7% 100.0%
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 Merrimac by zipcode?

Zipcode Population Number of households Median income Average income
53561 1,872 815 $91,103 $121,291

Explore more communities

FAQs about Merrimac demographics 

What is the total population of Merrimac?

Merrimac has a total population of 570 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 -0.9% compared to a year ago.

What is the gender ratio in Merrimac?

The gender ratio in Merrimac is as follows:
  • 56.8% males (324 residents)
  • 43.2% females (246 residents)

What is the median age in Merrimac?

The median age in Merrimac is 39.3.

What is the age distribution of the population in Merrimac?

The age distribution in Merrimac is as follows:
  • Under 15: 18.2% (104 residents)
  • Ages 15-24: 13.2% (75 residents)
  • Ages 25-44: 22.6% (129 residents)
  • Ages 45-64: 29.5% (168 residents)
  • Over 65: 16.5% (94 residents)

What is the racial and ethnic makeup of Merrimac?

The racial and ethnic makeup of Merrimac is as follows:
  • White: 83.7% (477 residents)
  • Black or African American: 6.3% (36 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.5% (3 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7% (40 residents)
  • Other: 2.5% (14 residents)

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

U.S.-born citizens represent 99% of the population in Merrimac.

How many housing units are there in Merrimac?

There are 310 housing units in Merrimac, reflecting a +2.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Merrimac has a total of 231 households, with an average of 2 people in each.

What is the median household income in Merrimac?

Merrimac has a median household income of $92,417, representing a -9.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Merrimac?

The employment rate is 99% in Merrimac, with a workforce of 290 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 70.3% (204 residents)
  • Blue-collar workers: 29.7% (86 residents)

Places of employment:
  • Self-employed: 5.2% (15 residents)
  • Private companies: 79.7% (231 residents)
  • Governmental workers: 9% (26 residents)
  • Not-for-profit companies: 6.2% (18 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