48059 ZIP Code, Fort Gratiot, MI
48059 is a ZIP code in Fort Gratiot, Michigan in St. Clair County. It covers 32 square miles of land. The closest ZIP codes are 48049, 48032 and 48060. 15,499 people live here in 6,654 households. With about 489 people per square mile it is lightly settled, and most homes are owner-occupied (83%). Median household income is $80,062, close to the Michigan median of $72,875; the median age is 48.6, older than most ZIP codes.
Quick facts
- Mailing city: Fort Gratiot, MI
- County: St. Clair County
- Land area: 32 sq mi
- Population: 15,499
- Median household income: $80,062
Key figures
| Measure | Value |
|---|---|
| Residents | 15,499 |
| Households | 6,654 |
| Median household income | $80,062 |
| Income per person | $39,425 |
| Median age | 48.6 |
| Homeowners | 83.1% |
| Median home value | $221,700 |
| Median rent | $994 |
| Bachelor's degree or higher | 28.9% |
| Average commute (minutes) | 24.5 |
| Households with kids under 18 | 26.1% |
| Moved in the past year | 8.6% |
| Below the poverty line | 6.7% |
| Broadband internet | 92.0% |
| Speak a non-English language at home | 1.8% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.4% |
| $10–15K | 2.8% |
| $15–25K | 6.5% |
| $25–35K | 7.6% |
| $35–50K | 9.6% |
| $50–75K | 17.1% |
| $75–100K | 15.4% |
| $100–150K | 21.9% |
| $150–200K | 8.6% |
| $200K+ | 7.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.8% |
| 10–19 | 12.6% |
| 20–24 | 4.2% |
| 25–34 | 10.1% |
| 35–44 | 10.9% |
| 45–54 | 13.7% |
| 55–64 | 13.7% |
| 65–74 | 15.2% |
| 75+ | 10.8% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 43.4% |
| Owned outright | 31.2% |
| Rented | 15.1% |
| Vacant | 10.3% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 74.5% |
| Townhome | 0.7% |
| 2–4 units | 2.7% |
| 5–19 units | 4.8% |
| 20+ units | 6.6% |
| Mobile / other | 10.6% |
Businesses in 48059
361 business establishments with 5,104 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 95
- Health Care and Social Assistance: 57
- Accommodation and Food Services: 46
- Construction: 28
- Other Services (except Public Administration): 22
- Professional, Scientific, and Technical Services: 21
- Finance and Insurance: 19
- Real Estate and Rental and Leasing: 18
EDDM carrier routes
See every USPS carrier route in 48059 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 48049 — Ruby CDP, MI (5.3 mi)
- 48032 (6.3 mi)
- 48060 — Port Huron city, MI (7.4 mi)
- 48006 (10.2 mi)
- 48074 — Marysville city, MI (10.3 mi)
- 48450 — Lexington village, MI (11.6 mi)
- 48040 — Marysville city, MI (12.3 mi)
- 48027 (14.4 mi)
Areas that include 48059
- Lakeport, MI ZIP codes — 1 ZIP code
- Fort Gratiot, MI ZIP codes — 1 ZIP code
- St. Clair County ZIP codes — 21 ZIP codes
- Michigan ZIP code data
Where it ranks
- No. 5 of 21: highest share of residents who moved in during the past year in St. Clair County
- No. 5 of 21: highest median age in St. Clair County
- No. 4 of 20: fastest population growth in St. Clair County
Mail every home in 48059
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) 48059, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 48059 in?
- 48059 is a Fort Gratiot, MI mailing address. By land area, 3% lies inside Lakeport; the rest is outside any Census-defined city or community.
- What county is 48059 in?
- 48059 is in St. Clair County.
- What is the population of 48059?
- About 15,499 people (±29), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 15,319.
- What is the median household income in 48059?
- $80,062 (±$7,749), 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 48059?
- EDDM2GO's stored route library does not include 48059 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 48059?
- The closest, measured center to center: 48049 (5.3 mi, Ruby), 48032 (6.3 mi), 48060 (7.4 mi, Port Huron), 48006 (10.2 mi), 48074 (10.3 mi, Marysville) and 48450 (11.6 mi, Lexington).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.