48390 ZIP Code, Walled Lake, MI
48390 is a ZIP code in Walled Lake, Michigan in Oakland County. It covers 12 square miles of land. The closest ZIP codes are 48382, 48377 and 48393. 23,939 people live here in 10,421 households. At about 1,919 people per square mile it has suburban density, and most homes are owner-occupied (75%). Median household income is $91,381, above the Michigan median of $72,875.
Quick facts
- Mailing city: Walled Lake, MI
- County: Oakland County
- Land area: 12 sq mi
- Population: 23,939
- Median household income: $91,381
- Carrier routes: 21 (11,766 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 23,939 |
| Households | 10,421 |
| Median household income | $91,381 |
| Income per person | $52,744 |
| Median age | 43.1 |
| Homeowners | 74.7% |
| Median home value | $309,400 |
| Median rent | $1,690 |
| Bachelor's degree or higher | 41.8% |
| Average commute (minutes) | 24.9 |
| Households with kids under 18 | 23.1% |
| Moved in the past year | 9.6% |
| Below the poverty line | 6.9% |
| Broadband internet | 95.0% |
| Speak a non-English language at home | 16.9% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.0% |
| $10–15K | 3.0% |
| $15–25K | 4.0% |
| $25–35K | 6.3% |
| $35–50K | 7.7% |
| $50–75K | 17.7% |
| $75–100K | 13.8% |
| $100–150K | 17.7% |
| $150–200K | 12.2% |
| $200K+ | 14.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 9.6% |
| 10–19 | 10.8% |
| 20–24 | 4.9% |
| 25–34 | 11.9% |
| 35–44 | 15.0% |
| 45–54 | 11.9% |
| 55–64 | 16.3% |
| 65–74 | 11.0% |
| 75+ | 8.7% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 45.4% |
| Owned outright | 26.1% |
| Rented | 23.9% |
| Vacant | 4.6% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 56.7% |
| Townhome | 18.9% |
| 2–4 units | 5.5% |
| 5–19 units | 12.6% |
| 20+ units | 5.4% |
| Mobile / other | 0.8% |
Businesses in 48390
772 business establishments with 9,857 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 97
- Construction: 90
- Professional, Scientific, and Technical Services: 87
- Other Services (except Public Administration): 86
- Health Care and Social Assistance: 71
- Accommodation and Food Services: 63
- Administrative and Support and Waste Management and Remediation Services: 56
- Wholesale Trade: 53
EDDM carrier routes
48390 has 21 USPS carrier routes with 11,766 residential and 941 business mailboxes. Open the EDDM route map.
Carrier routes in 48390
48390 has 21 USPS carrier routes (21 city (C)) with 11,766 residential and 941 business mailboxes. Routes range from 230 homes (C018) to 1,134 homes (C023); the median route has 539 homes. The Census counted 10,421 households in 48390 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 1 |
| 250–499 | 7 |
| 500–749 | 11 |
| 750–999 | 1 |
| 1,000–1,499 | 1 |
| 1,500+ | 0 |
Best routes in 48390 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C018 — USPS business mailboxes 182, 230 homes
- Route C021 — USPS business mailboxes 108, 261 homes
- Route C013 — USPS business mailboxes 102, 587 homes
- Route C019 — USPS business mailboxes 87, 474 homes
- Route C010 — USPS business mailboxes 69, 572 homes
Select these 5 routes on the route map
Every carrier route in 48390
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C001 | City | 538 | 14 | $102,192 | — | — | — |
| C002 | City | 786 | 19 | $57,930 | — | — | — |
| C003 | City | 697 | 19 | $109,242 | — | — | — |
| C004 | City | 537 | 10 | $170,937 | — | — | — |
| C005 | City | 296 | 55 | $105,873 | — | — | — |
| C006 | City | 465 | 39 | $60,244 | — | — | — |
| C007 | City | 619 | 15 | $100,552 | — | — | — |
| C009 | City | 453 | 18 | $91,068 | — | — | — |
| C010 | City | 572 | 69 | $60,244 | — | — | — |
| C011 | City | 548 | 0 | $60,244 | — | — | — |
| C013 | City | 587 | 102 | $50,666 | — | — | — |
| C014 | City | 489 | 42 | $57,248 | — | — | — |
| C015 | City | 435 | 62 | $100,166 | — | — | — |
| C016 | City | 663 | 18 | $50,666 | — | — | — |
| C017 | City | 539 | 12 | $60,244 | — | — | — |
| C018 | City | 230 | 182 | $128,714 | — | — | — |
| C019 | City | 474 | 87 | $123,768 | — | — | — |
| C020 | City | 720 | 68 | $60,244 | — | — | — |
| C021 | City | 261 | 108 | $94,089 | — | — | — |
| C023 | City | 1,134 | 2 | $98,852 | — | — | — |
| C024 | City | 723 | 0 | $106,118 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 48390 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
- 48382 (2.9 mi)
- 48377 — Novi city, MI (3.1 mi)
- 48393 — Wixom city, MI (4.1 mi)
- 48322 — Farmington Hills city, MI (4.7 mi)
- 48331 — Farmington Hills city, MI (4.7 mi)
- 48323 — Orchard Lake Village city, MI (5.1 mi)
- 48324 — Orchard Lake Village city, MI (5.1 mi)
- 48374 — Novi city, MI (5.8 mi)
Areas that include 48390
- Walled Lake, MI ZIP codes — 1 ZIP code
- Wolverine Lake, MI ZIP codes — 1 ZIP code
- Oakland County ZIP codes — 68 ZIP codes
- Michigan ZIP code data
Mail every home in 48390
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) 48390, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 48390 in?
- 48390 is a Walled Lake, MI mailing address. By land area, 18% lies inside Walled Lake and 10% lies inside Wolverine Lake; the rest is outside any Census-defined city or community.
- What county is 48390 in?
- 48390 is in Oakland County.
- What is the population of 48390?
- About 23,939 people (±859), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 24,273.
- What is the median household income in 48390?
- $91,381 (±$4,497), 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 48390?
- 21 USPS carrier routes with 11,766 residential and 941 business mailboxes (12,715 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 48390?
- The closest, measured center to center: 48382 (2.9 mi), 48377 (3.1 mi, Novi), 48393 (4.1 mi, Wixom), 48322 (4.7 mi, Farmington Hills), 48331 (4.7 mi, Farmington Hills) and 48323 (5.1 mi, Orchard Lake Village).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.