ZIP Code 91711 — Claremont city, CA Demographics & Data

ZIP code 91711 covers Claremont, CA in Los Angeles County with a population of about 37,538.

At a glance, the area shows median age of 40.4 versus a U.S. median of about 38.9.

It sits in telephone area codes 840, 909; U.S. House district CA-28; the LOS ANGELES media market.

Claremont, CA sits in a university / college context (near harvey mudd college (1.5 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 91711 is about $121,970 — about 62% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.7%; unemployment rate near 5.5%; 59.3% of adults with a bachelor’s degree or higher (about 25.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Healthcare, and Professional services; about 21.9% of workers reporting work-from-home (about 6.7 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 $870,300 — about 150% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,961 (about 69% above the U.S. median rent ($1,163)), and owner-occupancy near 66.0% (roughly in line with the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 91711 in Claremont, CA, a household would need roughly $240,000 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 $5,591. That is about 97% above the local median household income ($121,970), so the median earner would likely stretch or need a larger down payment. 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 Claremont city, CA as Very High (composite score 100.0), which is among the highest nationally. The strongest component scores on US5 are flood (100.0) and wildfire (99.9). 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 Claremont city, CA show little to no average snow and around 14.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,847 for ZIP 91711 (Claremont city, CA) 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.