PlainZIP

Grass Lake, MI · standard

ZIP Code 49240

Jackson County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

8,703
32/sq mi
$99,681
Median income
$298,700
Median home value
31.9%
Bachelor's or higher

The verdict

Grass Lake pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 19%
household income, US ZIPs
Top 34%
home value, US ZIPs
32
people per sq mi
93%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 49240 against every reporting US ZIP.

ZIP code 49240 is a mid-sized community (a standard USPS delivery area) in Grass Lake, Jackson County, Michigan, home to 8,703 residents across 273.7 square miles, a density of 32 people per square mile, in the Detroit time zone.

ZIP 49240 lands in the middle-income range, with a median household income of $99,681 (36% above the Michigan average), while per-capita income is $50,282. Local economic indicators show a 4.2% poverty rate alongside 2.0% unemployment. Median home value sits at $298,700 (36% above the state average), median rent at $1,135 a month, and owner-occupancy at 92.6%.

A solid share of residents have a four-year degree: 31.9% of adults hold a bachelor's degree or higher, the median age is 46.8, and the average commute is 26 minutes. To put 49240 in local context, 6 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Jackson County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 49240

Top 5 sectors by establishment count in Grass Lake, MI

Which industries have the most business establishments in ZIP 49240.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 49240, Grass Lake, MI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

8,703

Population

273.7

Area (sq mi)

32

People / sq mi

Detroit

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 49240?

46.8

Median Age

50.9%

Male

49.1%

Female

1.1%

Foreign-Born

White 95.8%
African American 0.3%
Asian 0.9%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.7%
Hispanic or Latino 2.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$99,681

Median Household Income

+36% vs state

$50,282

Per Capita Income

4.2%

Poverty Rate

2.0%

Unemployment Rate

26.3 min

Mean Commute Time

How ZIP 49240 ranks nationally

Grass Lake, MI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$99,681 Top 19% higher than 81% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 59.9%
Bachelor's Degree or Higher 31.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,907

Total Housing Units

3,629

Occupied Units

278

Vacant Units

2.44

Avg Household Size

Occupancy Type

Owner 92.6%
Renter 7.4%

$298,700

Median Home Value

+36% vs state

$1,135

Median Rent

1982

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+11.9%

YoY Change (2024)

175

HPI Index (2000 = 100)

+75%

Total Change Since 2000

Home values in ZIP 49240 have increased 11.9% over the past year (2024). Since 2000, this ZIP has seen +75% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.1% 120
2021 +11.0% 133
2022 +12.2% 149
2023 +4.5% 156
2024 +11.9% 175

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 129 business establishments in ZIP 49240, employing approximately 1,328 people with a combined annual payroll of $111,663,000.

129

Businesses

1,328

Employees

$111.7M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Construction 28 21.7%
Other services (except public administration) 15 11.6%
Professional, scientific, and technical services 14 10.8%
Health care and social assistance 14 10.8%
Retail trade 10 7.8%
Accommodation and food services 10 7.8%
Manufacturing 8 6.2%
Wholesale trade 7 5.4%
Administrative and support and waste management and remediation services 7 5.4%
Finance and insurance 5 3.9%
Real estate and rental and leasing 3 2.3%
Arts, entertainment, and recreation 3 2.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 49240 vs 49263 →

ZIP 49240 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 49240 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 49240 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 49240 ranks the highest of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
49263 Norvell, MI 85 8.3 mi
48118 Chelsea, MI 12,552 7.5 mi
49259 Munith, MI 2,523 7.8 mi
49261 Napoleon, MI 290 8.8 mi
49254 Michigan Center, MI 3,321 7.9 mi
48158 Manchester, MI 7,309 11.4 mi

More ZIP Codes in Jackson County

49201 standard
Jackson, MI
Pop: 45,190
49203 standard
Jackson, MI
Pop: 38,280
49202 standard
Jackson, MI
Pop: 20,661
49230 standard
Brooklyn, MI
Pop: 10,475
49269 standard
Parma, MI
Pop: 5,998
49283 standard
Spring Arbor, MI
Pop: 4,362

Related Areas

Jackson County Grass Lake, MI Michigan

Frequently Asked Questions

What county is ZIP code 49240 in? ▼
ZIP code 49240 (Grass Lake) is located in Jackson County, Michigan. Jackson County contains multiple ZIP codes, see the full list at /counties/jackson-mi.
What is the population of ZIP code 49240? ▼
ZIP code 49240 in Grass Lake, MI has a population of 8,703 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 49240? ▼
The median household income in ZIP 49240 is $99,681, which is 31% above the national average of $76,288.
What is the average home value in ZIP 49240? ▼
The median home value in ZIP 49240 is $298,700, which is 7% above the national average of $278,155.
What is the demographic makeup of ZIP 49240? ▼
The largest racial group in ZIP 49240 is White at 95.8%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 49240? ▼
ZIP code 49240 has 129 business establishments employing approximately 1,328 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 49240? ▼
The top industries by establishment count in ZIP 49240 are: Construction (28), Other services (except public administration) (15), Professional, scientific, and technical services (14). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 49240? ▼
According to the FHFA House Price Index, home values in ZIP 49240 increased by 11.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 75%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 49240? ▼
In ZIP code 49240, 59.9% of residents aged 25+ have a high school diploma or higher, and 31.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 49240? ▼
The mean commute time for workers in ZIP code 49240 is 26.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 49240? ▼
In ZIP code 49240, approximately 92.6% of occupied housing units are owner-occupied and 7.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 49240? ▼
The poverty rate in ZIP code 49240 is 4.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.