ZIP Code 43140 — London city, OH Demographics & Data

ZIP code 43140 covers London, OH in Madison County with a population of about 24,162.

At a glance, the area shows median age of 41.7 versus a U.S. median of about 38.9.

It sits in telephone area codes 220, 740; U.S. House district OH-15; the COLUMBUS, OH media market.

Median household income in ZIP 43140 is about $82,598 — about 10% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.0%; unemployment rate near 4.8%; 19.9% of adults with a bachelor’s degree or higher (about 13.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Retail trade, and Healthcare; about 11.8% of workers reporting work-from-home (about 3.4 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 $228,000 — about 34% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $677 (about 42% below the U.S. median rent ($1,163)), and owner-occupancy near 72.4% (about 7.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 43140 in London, OH, a household would need roughly $63,000 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 $1,465. That sits below the local median household income ($82,598), 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 London city, OH as Very Low (composite score 24.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are flood (41.5) and hurricane (21.7). 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 London city, OH show little to no average snow and around 42.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,025 for ZIP 43140 (London 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.