ZIP Code 48028
standardSource:
Harsens Island · St. Clair County · Michigan
- Population
- 1,190
- Median income
- $109,730
- Median home value
- $390,800
- Bachelor's or higher
- 29.0%
- Land area
- 46.3 sq mi
26/sq mi
▲ 44% vs US
higher than 86% of US ZIPs
▲ 40% vs US
higher than 78% of US ZIPs
Median age 65.6
Detroit
ZIP code 48028 in Harsens Island, Michigan has a population of 1,190. The median household income is $109,730, which is 44% above the national average. Median home value is $390,800, 40% above the US average. 29.0% of residents hold a bachelor's degree or higher.
ZIP code 48028 is classified by USPS as a standard delivery area and covers roughly 46.3 square miles in Harsens Island, St. Clair County, Michigan. The area is home to 1,190 residents, producing a population density of 26 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 48028 against Michigan and the nation.
On the economic side, the median household income for ZIP 48028 sits at $109,730 (50% above the Michigan average), while per-capita income is $76,531. The poverty rate stands at 4.9% and the unemployment rate at 2.0%. On housing, the median home value is $390,800 (78% above the state average) with median rent at — per month, and 98.2% of occupied units are owner-occupied, a direct signal of whether 48028 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 29.0% of adults hold a bachelor's degree or higher, the median age is 65.6, and the average commute is —. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Clair County, so you can benchmark 48028 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 48028
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 48028.
- Arts, entertainment, and recreation
Arts, entertainment, and recreation
6 establishments
- Construction
Construction
4 establishments
- Retail trade
Retail trade
4 establishments
- Accommodation and food services
Accommodation and food services
3 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 48028, Harsens Island, 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
1,190
Population
46.3
Area (sq mi)
26
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48028?
65.6
Median Age
57.1%
Male
42.9%
Female
2.3%
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?
$109,730
Median Household Income
+50% vs state
$76,531
Per Capita Income
4.9%
Poverty Rate
2.0%
Unemployment Rate
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?
1,589
Total Housing Units
684
Occupied Units
905
Vacant Units
1.86
Avg Household Size
Occupancy Type
$390,800
Median Home Value
+78% vs state
1968
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
-1.4%
YoY Change (2023)
182
HPI Index (2000 = 100)
+82%
Total Change Since 2000
Home values in ZIP 48028 have decreased 1.4% over the past year (2023). Since 2000, this ZIP has seen +82% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | -1.1% | 140 |
| 2020 | +4.9% | 146 |
| 2021 | +5.3% | 154 |
| 2022 | +19.9% | 185 |
| 2023 | -1.4% | 182 |
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 2023. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 21 business establishments in ZIP 48028, employing approximately 57 people with a combined annual payroll of $4,618,000.
21
Businesses
57
Employees
$4.6M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Arts, entertainment, and recreation | 6 | 28.6% |
| Construction | 4 | 19.1% |
| Retail trade | 4 | 19.1% |
| Accommodation and food services | 3 | 14.3% |
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 48028 vs 48001 →
More ZIP Codes in St. Clair County
Related Areas
Frequently Asked Questions
What county is ZIP code 48028 in? ▼
What is the population of ZIP code 48028? ▼
What is the median household income in ZIP 48028? ▼
What is the average home value in ZIP 48028? ▼
What is the demographic makeup of ZIP 48028? ▼
How many businesses are in ZIP code 48028? ▼
What are the main industries in ZIP code 48028? ▼
How have home values changed in ZIP code 48028? ▼
What is the education level in ZIP code 48028? ▼
What percentage of residents own vs. rent in ZIP 48028? ▼
What is the poverty rate in ZIP code 48028? ▼
ZIP Code Research Guides
Official Data Resources for Harsens Island, 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.