48191 ZIP Code, Willis, MI
48191 is a ZIP code in Willis, Michigan — mostly in Washtenaw County (88% of its land), with smaller parts in Monroe County. It covers 16 square miles of land. The closest ZIP codes are 48190, 48111 and 48197. 4,403 people live here in 1,662 households. With about 273 people per square mile it is lightly settled, and most homes are owner-occupied (91%). Median household income is $102,833, above the Michigan median of $72,875; the median age is 47.2, older than most ZIP codes.
Quick facts
- Mailing city: Willis, MI
- County: Washtenaw County
- Land area: 16 sq mi
- Population: 4,403
- Median household income: $102,833
Key figures
| Measure | Value |
|---|---|
| Residents | 4,403 |
| Households | 1,662 |
| Median household income | $102,833 |
| Income per person | $51,915 |
| Median age | 47.2 |
| Homeowners | 90.9% |
| Median home value | $271,900 |
| Median rent | $1,387 |
| Bachelor's degree or higher | 24.4% |
| Average commute (minutes) | 28.5 |
| Households with kids under 18 | 29.4% |
| Moved in the past year | 11.6% |
| Below the poverty line | 9.4% |
| Broadband internet | 94.6% |
| Speak a non-English language at home | 1.9% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.5% |
| $10–15K | 1.7% |
| $15–25K | 5.8% |
| $25–35K | 4.5% |
| $35–50K | 9.4% |
| $50–75K | 14.7% |
| $75–100K | 11.8% |
| $100–150K | 19.9% |
| $150–200K | 7.4% |
| $200K+ | 24.3% |
Age
| % of all residents | Value |
|---|---|
| <10 | 7.1% |
| 10–19 | 14.3% |
| 20–24 | 11.1% |
| 25–34 | 4.4% |
| 35–44 | 9.9% |
| 45–54 | 19.4% |
| 55–64 | 15.8% |
| 65–74 | 11.2% |
| 75+ | 7.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 57.6% |
| Owned outright | 30.9% |
| Rented | 8.8% |
| Vacant | 2.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 67.3% |
| Townhome | 0.6% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 32.1% |
Businesses in 48191
46 business establishments with 244 employees (ZIP Codes Business Patterns 2023).
- Construction: 19
- Professional, Scientific, and Technical Services: 7
- Retail Trade: 6
- Other Services (except Public Administration): 5
- Accommodation and Food Services: 3
EDDM carrier routes
See every USPS carrier route in 48191 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 48190 (2.1 mi)
- 48111 — Belleville city, MI (5.8 mi)
- 48197 — Ypsilanti city, MI (6.3 mi)
- 48160 — Milan city, MI (6.4 mi)
- 48159 — Maybee village, MI (6.7 mi)
- 48164 (8.7 mi)
- 48117 — Carleton village, MI (9.4 mi)
- 48198 — Ypsilanti city, MI (10.7 mi)
Areas that include 48191
- Willis, MI ZIP codes — 1 ZIP code
- Monroe County ZIP codes — 22 ZIP codes
- Washtenaw County ZIP codes — 22 ZIP codes
- Michigan ZIP code data
Where it ranks
- No. 3 of 21: highest share of owner-occupied homes in Washtenaw County
- No. 5 of 21: highest share of households with children in Washtenaw County
- No. 4 of 21: highest median age in Washtenaw County
Mail every home in 48191
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) 48191, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 48191 in?
- 48191 is a Willis, MI mailing address. None of its land lies inside a Census-defined city or community.
- What county is 48191 in?
- 48191 is mostly in Washtenaw County (88% of its land), with smaller parts in Monroe County.
- What is the population of 48191?
- About 4,403 people (±587), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 3,980.
- What is the median household income in 48191?
- $102,833 (±$14,172), 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 48191?
- EDDM2GO's stored route library does not include 48191 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 48191?
- The closest, measured center to center: 48190 (2.1 mi), 48111 (5.8 mi, Belleville), 48197 (6.3 mi, Ypsilanti), 48160 (6.4 mi, Milan), 48159 (6.7 mi, Maybee) and 48164 (8.7 mi).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.