48039 ZIP Code, Marine City, MI
48039 is a ZIP code in Marine City, Michigan in St. Clair County. It covers 23 square miles of land. The closest ZIP codes are 48001, 48054 and 48023. 7,437 people live here in 3,266 households. With about 323 people per square mile it is lightly settled, and most homes are owner-occupied (87%). Median household income is $82,755, above the Michigan median of $72,875; the median age is 47.6, older than most ZIP codes.
Quick facts
- Mailing city: Marine City, MI
- County: St. Clair County
- Land area: 23 sq mi
- Population: 7,437
- Median household income: $82,755
Key figures
| Measure | Value |
|---|---|
| Residents | 7,437 |
| Households | 3,266 |
| Median household income | $82,755 |
| Income per person | $41,912 |
| Median age | 47.6 |
| Homeowners | 87.0% |
| Median home value | $181,300 |
| Median rent | $947 |
| Bachelor's degree or higher | 20.8% |
| Average commute (minutes) | 31.8 |
| Households with kids under 18 | 22.7% |
| Moved in the past year | 5.0% |
| Below the poverty line | 6.5% |
| Broadband internet | 91.6% |
| Speak a non-English language at home | 1.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 4.0% |
| $10–15K | 1.7% |
| $15–25K | 6.6% |
| $25–35K | 6.6% |
| $35–50K | 12.4% |
| $50–75K | 15.2% |
| $75–100K | 20.1% |
| $100–150K | 13.0% |
| $150–200K | 10.9% |
| $200K+ | 9.5% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.6% |
| 10–19 | 12.9% |
| 20–24 | 4.8% |
| 25–34 | 7.9% |
| 35–44 | 11.1% |
| 45–54 | 14.9% |
| 55–64 | 14.9% |
| 65–74 | 18.0% |
| 75+ | 7.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 46.1% |
| Owned outright | 32.2% |
| Rented | 11.3% |
| Vacant | 10.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 80.1% |
| Townhome | 1.6% |
| 2–4 units | 7.9% |
| 5–19 units | 3.5% |
| 20+ units | 1.4% |
| Mobile / other | 5.5% |
Businesses in 48039
164 business establishments with 1,541 employees (ZIP Codes Business Patterns 2023).
- Construction: 27
- Manufacturing: 23
- Retail Trade: 23
- Accommodation and Food Services: 17
- Health Care and Social Assistance: 16
- Other Services (except Public Administration): 12
- Professional, Scientific, and Technical Services: 11
- Administrative and Support and Waste Management and Remediation Services: 11
EDDM carrier routes
See every USPS carrier route in 48039 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 48001 — Pearl Beach CDP, MI (4.1 mi)
- 48054 (5.4 mi)
- 48023 (5.8 mi)
- 48064 — Richmond city, MI (7.9 mi)
- 48028 (8.6 mi)
- 48079 — St. Clair city, MI (11.5 mi)
- 48047 — New Baltimore city, MI (11.6 mi)
- 48048 — New Haven village, MI (13.2 mi)
Areas that include 48039
- Marine City, MI ZIP codes — 1 ZIP code
- St. Clair County ZIP codes — 21 ZIP codes
- Michigan ZIP code data
Where it ranks
Mail every home in 48039
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 48039, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 48039 in?
- 48039 is a Marine City, MI mailing address. By land area, 9% lies inside Marine City; the rest is outside any Census-defined city or community.
- What county is 48039 in?
- 48039 is in St. Clair County.
- What is the population of 48039?
- About 7,437 people (±21), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 7,485.
- What is the median household income in 48039?
- $82,755 (±$13,822), compared with $72,875 for Michigan as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 48039?
- EDDM2GO's stored route library does not include 48039 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 48039?
- The closest, measured center to center: 48001 (4.1 mi, Pearl Beach), 48054 (5.4 mi), 48023 (5.8 mi), 48064 (7.9 mi, Richmond), 48028 (8.6 mi) and 48079 (11.5 mi, St. Clair).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.