ZIP Code 48604 — Zilwaukee city, MI Demographics & Data

ZIP code 48604 covers Zilwaukee, MI in Saginaw County with a population of about 11,284.

At a glance, the area shows median age of 26.8 versus a U.S. median of about 38.9.

It sits in telephone area code 989; U.S. House district MI-8; the FLINT - SAGINAW - BAY CITY media market.

Zilwaukee, MI sits in a university / college context (near saginaw valley state university (0.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 48604 is about $53,804 — about 28% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 28.8%; unemployment rate near 6.8%; 24.2% of adults with a bachelor’s degree or higher (about 9.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Manufacturing; about 10.6% of workers reporting work-from-home (about 4.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $93,200 — about 73% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $598 (about 49% below the U.S. median rent ($1,163)), and owner-occupancy near 74.3% (about 8.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 48604 in Zilwaukee, MI, a household would need roughly $26,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $599. That sits below the local median household income ($53,804), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Zilwaukee city, MI as Relatively Moderate (composite score 88.5), which is elevated versus much of the country. The strongest component scores on US5 are flood (91.4) and hurricane (50.5). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Zilwaukee city, MI show little to no average snow and around 32.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 442 for ZIP 48604 (Zilwaukee city, MI) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.