Grass Lake, MI demographics:
population, income, and more

Total population
1,186
-4.0% year-over-year change
Median household income
$80,938/yr
8.9% year-over-year change
Housing units
571
0.3% year-over-year change

Grass Lake population

How many people live in Grass Lake

Grass Lake is home to 1,186 residents, according to the most recent Census data. Gender-wise, 52.9% of Grass Lake locals are male, and 47.1% are female.

Total population
1,186
-4.0% year-over-year change
Gender ratio
Male
52.9%
627
Female
47.1%
559
Value Percent YoY change
Male 627 52.9% 0.2%
Female 559 47.1% -8.2%
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 Grass Lake is 36, with the population distributed as follows: about 17.3% are children under 15, then 12.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.3% of the population, while another 20.2% fall into the 45 to 64 bracket. Finally, around 20.6% are 65 or older.

Median age
35.6
Age breakdown
Under 15
17.3%
15 to 24
12.6%
25 to 44
29.3%
45 to 64
20.2%
Over 65
20.6%
Value Percent YoY change
Under 15 205 17.3% -16.7%
15 to 24 150 12.6% 3.5%
25 to 44 348 29.3% -11.9%
45 to 64 239 20.2% 2.1%
Over 65 244 20.6% 13.5%
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 Grass Lake, 98.3% of the population are US-born citizens, while 0.3% have gained naturalized citizenship. At the same time, 1.4% of residents are non-citizens. There’s also a share of 2.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.3%
Non-U.S.-born citizens
0.3%
Non-citizens
1.4%
Value Percent YoY change
U.S.-born citizens 1,166 98.3% -3.8%
Non-U.S.-born citizens 4 0.3% -50.0%
Non-citizens 16 1.4% 6.7%
Racial breakdown
White
95.5%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
1.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.9%
Other
0.2%
Value Percent
White 1,133 95.5%
Asian 16 1.4%
Two or more races 34 2.9%
Other 3 0.2%

Households in Grass Lake

A peek inside Grass Lake households

Grass Lake has 532 households, with an average of 2 members in each. Of these, 55.1% are families, while the remaining 44.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
532
0.6% year-over-year change
Average people per household
2
Non-family households
239
Family households
293
Value Percent YoY change
Non-family households 239 44.9% -1.6%
Family households 293 55.1% 2.5%
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 Grass Lake

The housing landscape of Grass Lake

Grass Lake's housing consists of 571 units, with 77.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.2% 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 0.5% of the housing landscape.

Housing units
571
0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 440 77.1%
1 unit, attached 18 3.2%
2 units 50 8.8%
3 or 4 units 21 3.7%
5 to 9 units 10 1.8%
10 to 19 units 29 5.1%
Mobile home 3 0.5%
Homes built since 2020
1
% year-over-year change

The age of buildings in Grass Lake

In Grass Lake, the median construction year is 1954. About 37.5% of homes were built before the 1940s, with another 8.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.3% of homes were added from 2000 to 2009, 1.4% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 214 37.5% -6.5%
Built between 1940 and 1949 48 8.4% 65.5%
Built between 1950 and 1959 67 11.7% -5.6%
Built between 1960 and 1969 40 7% 66.7%
Built between 1970 and 1979 49 8.6% -16.9%
Built between 1980 and 1989 47 8.2% 4.4%
Built between 1990 and 1999 27 4.7% -20.6%
Built between 2000 and 2009 70 12.3% 1.4%
Built between 2010 and 2019 8 1.4% -11.1%
Built in 2020 or later 1 0.2% 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.

Grass Lake occupancy rates

Out of the 532 occupied housing units in Grass Lake, 74.8% are owner-occupied, while 25.2% are lived in by tenants. Meanwhile, 6.8% of all homes on the local market sit vacant.

Occupied housing units
532
0.6% year-over-year change
Occupancy breakdown
Renter occupied
134
Owner occupied
398
Value Percent YoY
change
Renter occupied 134 25.2% 11.7%
Owner occupied 398 74.8% -2.7%
Unoccupied housing units
6.8%
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.

Grass Lake housing costs

Housing costs in Grass Lake come to a median of $1,127 per month, while tenants specifically pay a median gross rent of $961.

Median housing costs per month
$1,127/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 Grass Lake
$961/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 Grass Lake

Grass Lake education at a glance

About 37.6% of the population in Grass Lake went to high school, while 22.3% pursued college studies. Another 12% earned an associate degree and 20.9% hold a bachelor’s. Meanwhile, 7.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 360 37.6% 6.2%
College diploma 213 22.3% -0.9%
Associate degree 115 12% -12.2%
Bachelor's degree 200 20.9% 1.0%
Graduate degree 69 7.2% -5.5%
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 Grass Lake

How much people earn in Grass Lake

The average annual household income in Grass Lake was $93,535 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.3% change from the previous year. At the same time, the median income stood at $80,938, reflecting a +8.9% shift over the same period.

Average household income in Grass Lake
$93,535/year
3.3% year-over-year change
Median household income in Grass Lake
$80,938/year
8.9% year-over-year change

Grass Lake income by age

In Grass Lake, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $103,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $95,917 overall. Overall, 94.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $103,750 19.9%
45 - 64 $95,917 1.9%
Over 65 $40,066 17.6%
Above poverty level
1,078
Below poverty level
65
Value Percent YoY
change
Above poverty level 1,078 94.3% -3.3%
Below poverty level 65 5.7% -13.3%

Average renter income in Grass Lake

To get a better sense of what renters earn on average in Grass Lake, their median household income was $49,464 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 23.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$49,464
Rent-to-income ratio
23.3%
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 Grass Lake

Workforce and job types in Grass Lake

The job market in Grass Lake is powered by 663 working residents, spread across a range of industries and roles. 75.3% of the working population are employed in professional or administrative positions, while 24.7% are in hands-on or service-based jobs. Also, 4.2% run their own businesses, 75.4% are employed by private companies, and 13% work in the public sector.

Workforce demographics

Working population
663
-6.9% year-over-year change
White collar
499
Blue collar
164
Value Percent YoY change
White collar 499 75.3% -5.7%
Blue collar 164 24.7% -10.4%
Employer type
Self employees
4.2%
Private companies
75.4%
Governmental workers
13%
Not for profit companies
7.4%
Value Percent YoY change
Self employees 28 4.2% -6.7%
Private companies 500 75.4% -6.2%
Governmental workers 86 13% 1.2%
Not for profit companies 49 7.4% -23.4%
Unemployment rate
3.5%
26.3% year-over-year change

Available workforce

The unemployment rate in Grass Lake stands at 3.5%, 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 Grass Lake

How people get around in Grass Lake

Commuting methods vary: 80% of residents travel by personal vehicle and 3.7% 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 521 80% -9.1%
Walk 24 3.7% 71.4%
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 Grass Lake by zipcode?

Zipcode Population Number of households Median income Average income
49240 8,863 3,629 $99,681 $121,706

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FAQs about Grass Lake demographics 

What is the total population of Grass Lake?

Grass Lake has a total population of 1,186 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 -4.0% compared to a year ago.

What is the gender ratio in Grass Lake?

The gender ratio in Grass Lake is as follows:
  • 52.9% males (627 residents)
  • 47.1% females (559 residents)

What is the median age in Grass Lake?

The median age in Grass Lake is 35.6.

What is the age distribution of the population in Grass Lake?

The age distribution in Grass Lake is as follows:
  • Under 15: 17.3% (205 residents)
  • Ages 15-24: 12.6% (150 residents)
  • Ages 25-44: 29.3% (348 residents)
  • Ages 45-64: 20.2% (239 residents)
  • Over 65: 20.6% (244 residents)

What is the racial and ethnic makeup of Grass Lake?

The racial and ethnic makeup of Grass Lake is as follows:
  • White: 95.5% (1,133 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.4% (16 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.9% (34 residents)
  • Other: 0.2% (3 residents)

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

U.S.-born citizens represent 98.3% of the population in Grass Lake.

How many housing units are there in Grass Lake?

There are 571 housing units in Grass Lake, reflecting a +0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Grass Lake has a total of 532 households, with an average of 2 people in each.

What is the median household income in Grass Lake?

Grass Lake has a median household income of $80,938, representing a +8.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Grass Lake?

The employment rate is 96.5% in Grass Lake, with a workforce of 663 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 75.3% (499 residents)
  • Blue-collar workers: 24.7% (164 residents)

Places of employment:
  • Self-employed: 4.2% (28 residents)
  • Private companies: 75.4% (500 residents)
  • Governmental workers: 13% (86 residents)
  • Not-for-profit companies: 7.4% (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