O Fallon, MO

The affordability dashboard for O Fallon, MO aggregates Census ACS 5-Year Estimates across 2 ZIP codes covering 89,535 residents, then layers in county-level federal data to produce an overall grade of B+ (78/100). The headline inputs are median household income of $112,087, median home value of $326,147, median rent of $1,389 per month, and 41.8% 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).

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, MO include income, education, rent. Unemployment currently reads 2.8% and poverty 5.5% - numbers worth keeping alongside the headline grade.