Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 61402 covers Galesburg, IL in Knox County with a population of about 1,634.
At a glance, the area shows median age of 41.5 versus a U.S. median of about 38.9.
It sits in telephone area codes 309, 861; U.S. House district IL-17; the DAVENPORT - R. ISLAND - MOLINE media market.
On socioeconomic markers, US5 shows a 1.8% of adults with a bachelor’s degree or higher (about 31.9 points below the national share (33.7%)).
FEMA’s National Risk Index rates natural-hazard risk for Galesburg city, IL as Relatively Low (composite score 57.2), which is near the middle of the national distribution. The strongest component scores on US5 are flood (49.4) and hurricane (22.1). 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 Galesburg city, IL show limited published climate normals on US5.
IRS migration statistics show a net inflow of about 91 for ZIP 61402 (Galesburg city, 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.