What to know about ZIP 62266
ZIP code 62266 covers IL in Clinton County with a population of about 29.
It sits in telephone area codes 618, 730; U.S. House district IL-12; the ST. LOUIS media market.
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 62266 covers IL in Clinton County with a population of about 29.
It sits in telephone area codes 618, 730; U.S. House district IL-12; the ST. LOUIS media market.
IL fits a retirement-oriented profile (high share of residents 65+ (58.6%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.
On socioeconomic markers, US5 shows a poverty rate of 41.4%; unemployment rate near 0.0%.
Labor and commute patterns include leading industry context around Other services and Agriculture; a mean commute of about 29.0 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 IL as Relatively Low (composite score 65.6), which is near the middle of the national distribution. The strongest component scores on US5 are flood (64.0) and hurricane (33.2). 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 IL show little to no average snow and around 43.4 inches of annual precipitation.
IRS migration statistics show a net inflow of about 2 for ZIP 62266 (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.
Airport BLV (9.5 miles (15.2 km)) · McKendree University (11.3 miles (18.2 km)) · Gateway Arch National Park (29.3 miles (47.2 km)) · VA: Scott Air Force Base (10.4 miles (16.7 km))
Full lists and map pins are in the Infrastructure section below.