ZIP Code 45342 — Miamisburg city, OH Demographics & Data

ZIP code 45342 covers Miamisburg, OH in Montgomery County with a population of about 36,675.

At a glance, the area shows median age of 38.4 (near the U.S. median).

It sits in telephone area codes 326, 937; U.S. House district OH-10; the DAYTON media market.

Median household income in ZIP 45342 is about $83,936 — about 12% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.6%; unemployment rate near 5.0%; 33.0% of adults with a bachelor’s degree or higher (roughly in line with the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Professional services; about 12.1% of workers reporting work-from-home (about 3.1 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 $206,800 — about 41% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,071 (about 8% below the U.S. median rent ($1,163)), and owner-occupancy near 64.0% (about 1.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 45342 in Miamisburg, OH, a household would need roughly $57,000 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 $1,328. That sits below the local median household income ($83,936), 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 Miamisburg city, OH as Relatively Moderate (composite score 92.7), which is among the highest nationally. The strongest component scores on US5 are flood (95.5) and hurricane (49.2). 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 Miamisburg city, OH show little to no average snow and around 41.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,555 for ZIP 45342 (Miamisburg city, OH) 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.