Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 61371 covers Triumph, IL in LaSalle County with a population of about 75.
At a glance, the area shows median age of 50.3 versus a U.S. median of about 38.9.
It sits in telephone area codes 779, 815; U.S. House district IL-14; the CHICAGO media market.
On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%.
Labor and commute patterns include leading industry context around Retail trade, Manufacturing, and Healthcare; a mean commute of about 48.0 minutes (U.S. average near 26.8).
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 Triumph CDP, IL as Relatively Moderate (composite score 86.1), which is elevated versus much of the country. The strongest component scores on US5 are flood (88.2) and hurricane (30.3). 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 Triumph CDP, IL show limited published climate normals on US5.
IRS migration statistics show a net inflow of about 4 for ZIP 61371 (Triumph CDP, IL) 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.