O Fallon, IL

The affordability dashboard for O Fallon, IL aggregates Census ACS 5-Year Estimates across 1 ZIP code covering 31,348 residents, then layers in county-level federal data to produce an overall grade of B+ (77/100). The headline inputs are median household income of $103,818, median home value of $291,800, median rent of $1,321 per month, and 52.0% of adults holding a bachelor's degree or higher. These four metrics alone explain most of the variance between city dashboards.

Cross-agency feeds widen the picture beyond Census demographics. HUD publishes a Fair Market Rent for a 2-bedroom in this county at $1,218 per month (studio $955, 1BR $995, 3BR $1,568, 4BR $1,812). Department of Labor data lists infant center-based childcare at $12,376 per year, consuming 12% of the local median household income.

Reading the overall grade requires reading all seven dimensions together. The score weights Income 20%, Safety 20%, Housing 15%, Rent 15%, Education 10%, Commute 10%, and Childcare 10%, with each sub-score benchmarked against national percentiles rather than state averages, so the grade is genuinely comparable across any city in the country. Strengths visible in the raw data for O Fallon, IL include income, education, housing, rent. Unemployment currently reads 3.3% and poverty 5.5% - numbers worth keeping alongside the headline grade.