ZIP Code 77377 — Tomball city, TX Demographics & Data

ZIP code 77377 covers Tomball, TX in Harris County with a population of about 39,154.

At a glance, the area shows median age of 38.1 (near the U.S. median).

It sits in telephone area codes 281, 346, 713, 832; U.S. House district TX-38; the HOUSTON media market.

Median household income in ZIP 77377 is about $123,015 — about 64% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.0%; unemployment rate near 4.5%; 46.5% of adults with a bachelor’s degree or higher (about 12.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Professional services, and Construction; about 18.3% of workers reporting work-from-home (about 3.1 points above 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 $352,000 — about even with the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,539 (about 32% above the U.S. median rent ($1,163)), and owner-occupancy near 82.6% (about 17.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 77377 in Tomball, TX, a household would need roughly $97,000 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 $2,261. That sits below the local median household income ($123,015), 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 Tomball city, TX as Very High (composite score 99.9), which is among the highest nationally. The strongest component scores on US5 are hurricane (100.0) and flood (100.0). 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 Tomball city, TX show little to no average snow and around 50.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,847 for ZIP 77377 (Tomball city, TX) 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.