ZIP Code 54643 — Millston CDP, WI Demographics & Data

ZIP code 54643 covers Millston, WI in Jackson County with a population of about 3.

It sits in telephone area codes 534, 715; U.S. House district WI-3; the LA CROSSE - EAU CLAIRE media market.

Millston, WI fits a retirement-oriented profile (high share of residents 65+ (100.0%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

On socioeconomic markers, US5 shows a poverty rate of 0.0%.

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Millston CDP, WI as Relatively Low (composite score 48.1), which is near the middle of the national distribution. The strongest component scores on US5 are flood (54.7) and wildfire (31.0). 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 Millston CDP, WI show little to no average snow and around 35.2 inches of annual precipitation.

IRS migration statistics for ZIP 54643 (Millston CDP, WI) are roughly balanced (near-zero net) on US5’s published series.