ZIP Code 49240
standardSource:
Grass Lake · Jackson County · Michigan
- Population
- 8,703
- Median income
- $99,681
- Median home value
- $298,700
- Bachelor's or higher
- 31.9%
- Land area
- 273.7 sq mi
32/sq mi
▲ 31% vs US
higher than 81% of US ZIPs
▲ 7% vs US
higher than 66% of US ZIPs
Median age 46.8
Detroit
ZIP code 49240 in Grass Lake, Michigan has a population of 8,703. The median household income is $99,681, which is 31% above the national average. Median home value is $298,700, 7% above the US average. 31.9% of residents hold a bachelor's degree or higher.
ZIP code 49240 is classified by USPS as a standard delivery area and covers roughly 273.7 square miles in Grass Lake, Jackson County, Michigan. The area is home to 8,703 residents, producing a population density of 32 people per square mile, and falls within the Detroit time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 49240 against Michigan and the nation.
On the economic side, the median household income for ZIP 49240 sits at $99,681 (36% above the Michigan average), while per-capita income is $50,282. The poverty rate stands at 4.2% and the unemployment rate at 2.0%. On housing, the median home value is $298,700 (36% above the state average) with median rent at $1,135 per month, and 92.6% of occupied units are owner-occupied, a direct signal of whether 49240 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 31.9% of adults hold a bachelor's degree or higher, the median age is 46.8, and the average commute is 26 minutes. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jackson County, so you can benchmark 49240 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 49240
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 49240.
- Construction
Construction
28 establishments
- Other services (except public administration)
Other services (except public administration)
15 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
14 establishments
- Health care and social assistance
Health care and social assistance
14 establishments
- Retail trade 10
Retail trade
10 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 49240?
46.8
Median Age
50.9%
Male
49.1%
Female
1.1%
Foreign-Born
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
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$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 →
More ZIP Codes in Jackson County
Related Areas
Frequently Asked Questions
What county is ZIP code 49240 in? ▼
What is the population of ZIP code 49240? ▼
What is the median household income in ZIP 49240? ▼
What is the average home value in ZIP 49240? ▼
What is the demographic makeup of ZIP 49240? ▼
How many businesses are in ZIP code 49240? ▼
What are the main industries in ZIP code 49240? ▼
How have home values changed in ZIP code 49240? ▼
What is the education level in ZIP code 49240? ▼
What is the average commute time in ZIP 49240? ▼
What percentage of residents own vs. rent in ZIP 49240? ▼
What is the poverty rate in ZIP code 49240? ▼
ZIP Code Research Guides
Official Data Resources for Grass Lake, MI
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.