48880 ZIP Code, Saint Louis, MI
48880 is a ZIP code in Saint Louis, Michigan — mostly in Gratiot County (54% of its land), with smaller parts in Midland and Isabella counties. It covers 75 square miles of land. The closest ZIP codes are 48615, 48801 and 48883. 9,994 people live here in 2,530 households. With about 134 people per square mile it is lightly settled, and most homes are owner-occupied (79%). Median household income is $59,922, below the Michigan median of $72,875.
Quick facts
- Mailing city: Saint Louis, MI
- County: Gratiot County
- Land area: 75 sq mi
- Population: 9,994
- Median household income: $59,922
- Carrier routes: 6 (2,920 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 9,994 |
| Households | 2,530 |
| Median household income | $59,922 |
| Income per person | $19,813 |
| Median age | 39.5 |
| Homeowners | 79.2% |
| Median home value | $144,900 |
| Median rent | $802 |
| Bachelor's degree or higher | 9.4% |
| Average commute (minutes) | 19.3 |
| Households with kids under 18 | 27.2% |
| Moved in the past year | 16.1% |
| Below the poverty line | 10.2% |
| Broadband internet | 85.5% |
| Speak a non-English language at home | 5.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.9% |
| $10–15K | 4.5% |
| $15–25K | 10.0% |
| $25–35K | 9.6% |
| $35–50K | 14.3% |
| $50–75K | 19.1% |
| $75–100K | 12.2% |
| $100–150K | 18.1% |
| $150–200K | 6.6% |
| $200K+ | 2.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.0% |
| 10–19 | 7.2% |
| 20–24 | 7.5% |
| 25–34 | 20.2% |
| 35–44 | 17.3% |
| 45–54 | 11.5% |
| 55–64 | 14.3% |
| 65–74 | 8.9% |
| 75+ | 6.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 36.2% |
| Owned outright | 33.6% |
| Rented | 18.0% |
| Vacant | 12.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 71.3% |
| Townhome | 4.3% |
| 2–4 units | 7.6% |
| 5–19 units | 5.2% |
| 20+ units | 0.8% |
| Mobile / other | 10.7% |
Businesses in 48880
112 business establishments with 1,424 employees (ZIP Codes Business Patterns 2023).
- Health Care and Social Assistance: 20
- Retail Trade: 18
- Accommodation and Food Services: 12
- Other Services (except Public Administration): 11
- Construction: 10
- Transportation and Warehousing: 8
- Manufacturing: 7
- Wholesale Trade: 6
EDDM carrier routes
48880 has 6 USPS carrier routes with 2,920 residential and 158 business mailboxes. Open the EDDM route map.
Carrier routes in 48880
48880 has 6 USPS carrier routes (3 city (C), 3 rural (R)) with 2,920 residential and 158 business mailboxes. Routes range from 383 homes (C003) to 599 homes (R002); the median route has 479 homes. The Census counted 2,530 households in 48880 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 0 |
| 250–499 | 3 |
| 500–749 | 3 |
| 750–999 | 0 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 48880 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C002 — USPS business mailboxes 59, 419 homes
- Route C001 — USPS business mailboxes 31, 530 homes
- Route R002 — USPS business mailboxes 28, 599 homes
- Route R001 — USPS business mailboxes 23, 427 homes
- Route C003 — USPS business mailboxes 15, 383 homes
Select these 5 routes on the route map
Every carrier route in 48880
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C001 | City | 530 | 31 | $44,422 | — | — | — |
| C002 | City | 419 | 59 | $77,876 | — | — | — |
| C003 | City | 383 | 15 | $50,000 | — | — | — |
| R001 | Rural | 427 | 23 | $82,723 | — | — | — |
| R002 | Rural | 599 | 28 | $87,211 | — | — | — |
| R003 | Rural | 562 | 2 | $82,723 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 48880 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 48615 — Breckenridge village, MI (5.8 mi)
- 48801 — Alma city, MI (7.4 mi)
- 48883 — Shepherd village, MI (7.6 mi)
- 48662 (9 mi)
- 48832 (10.5 mi)
- 48637 — Merrill village, MI (12.6 mi)
- 48847 — Ithaca city, MI (12.8 mi)
- 48859 — Mount Pleasant city, MI (13.2 mi)
Areas that include 48880
- St. Louis, MI ZIP codes — 1 ZIP code
- Saint Louis, MI ZIP codes — 1 ZIP code
- Gratiot County ZIP codes — 16 ZIP codes
- Midland County ZIP codes — 14 ZIP codes
- Michigan ZIP code data
Where it ranks
- No. 1 of 12: highest share of residents who moved in during the past year in Gratiot County
- No. 3 of 12: lowest median age in Gratiot County
Mail every home in 48880
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) 48880, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 48880 in?
- 48880 is a Saint Louis, MI mailing address. By land area, 4% lies inside St. Louis; the rest is outside any Census-defined city or community.
- What county is 48880 in?
- 48880 is mostly in Gratiot County (54% of its land), with smaller parts in Midland and Isabella counties.
- What is the population of 48880?
- About 9,994 people (±310), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 10,495.
- What is the median household income in 48880?
- $59,922 (±$7,172), 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 48880?
- 6 USPS carrier routes with 2,920 residential and 158 business mailboxes (3,079 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 48880?
- The closest, measured center to center: 48615 (5.8 mi, Breckenridge), 48801 (7.4 mi, Alma), 48883 (7.6 mi, Shepherd), 48662 (9 mi), 48832 (10.5 mi) and 48637 (12.6 mi, Merrill).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.