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 Moderate-density area
- $99,681
- Median income Above-median income area
- $298,700
- Median home value Above-median home value
- 31.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 49240 (Grass Lake, MI) rose +11.9% from 2023 to 2024. The all-transactions index moved from 156.1 in 2023 to 174.6 in 2024 (2000 = 100).
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 average Michigan ZIP), while per-capita income is $50,282. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.2% and unemployment is 2.0%. Housing is both higher-cost and owner-heavy: median home value is $298,700 (36% above the average Michigan ZIP), while 92.6% of occupied homes are owner-occupied and median rent is $1,135.
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. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Jackson County, so 49240 can be compared with both its immediate and county-level context.
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.
- 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 + 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
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 ZIP avg
$50,282
Per Capita Income
4.2%
Poverty Rate
2.0%
Unemployment Rate
26.3 min
Mean Commute Time
How ZIP 49240 ranks among Michigan ZIPs
Grass Lake, MI household income vs. every Michigan ZIP code
Median household income among 962 reporting Michigan ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$99,681 Top 13% higher than 87% of 962 Michigan ZIPs
Each bar is a $20K-wide band; taller bars hold more Michigan 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
3,907housing units
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 ZIP avg
$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.
- 48118
Chelsea (48118)
12,552 residents
- 49240
Grass Lake (49240)
8,703 residents
- 48158
Manchester (48158)
7,309 residents
- 49254 3,321
Michigan Center (49254)
3,321 residents
- 49259 2,523
Munith (49259)
2,523 residents
- 49261 290
Napoleon (49261)
290 residents
- 49263 85
Norvell (49263)
85 residents
What this shows Among its immediate neighbors, ZIP 49240 ranks #2 by population - useful context the national average alone can't give.
ZIP 49240 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 49240
Grass Lake (49240)
$99,681 median income
- 48158
Manchester (48158)
$94,784 median income
- 49261
Napoleon (49261)
$91,875 median income
- 48118
Chelsea (48118)
$88,278 median income
- 49259
Munith (49259)
$66,500 median income
- 49254
Michigan Center (49254)
$63,750 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 49240, both outside MI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (8,703 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jackson County
Related Areas
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.
Related
Take this with you
What to do with ZIP 49240's numbers, next.
- See how ZIP 49240 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Grass Lake, MI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.