O'Fallon, MO vs St. Peters, MO
Side-by-side fiscal comparison · U.S. Census Bureau data (2023)
St. Peters, MO outspends O'Fallon, MO by a wide margin per resident — $11,485 versus $6,570, a 75% difference. A gap this size usually reflects a structurally different service mix or accounting scope rather than a single line item.
O'Fallon, MO holds the stronger Fiscal Health Score, 71/100 (grade B) against 59/100 (grade C) for St. Peters, MO — a 12-point spread that puts the two in different grade territory.
On debt, St. Peters, MO carries the lighter load at $71 per resident versus $234 for O'Fallon, MO. Both cities pour the most per-resident dollars into the same function: parks and recreation leads in O'Fallon, MO at $992 per resident and in St. Peters, MO at $2,314.
On the revenue side both lean hardest on intergovernmental transfers — 100% of total revenue in O'Fallon, MO and 100% in St. Peters, MO.
Summary
St. Peters spends 42.8% more per capita than O'Fallon ($4,915/person difference). O'Fallon, MO has the stronger Fiscal Health Score (B, 71/100).
Fiscal Health Score
Key Metrics
Per Capita Spending by Department
Revenue Breakdown (Per Capita)
| Sales Tax | $393 | $1,412 |
| Income Tax | $655 | $2,724 |
| Intergovernmental | $13,053 | $9,257 |
| Charges & Fees | $862 | $1,242 |
| Other | $1,364 | $1,181 |
Spending Breakdown (Per Capita)
| Fire Protection | $144 | $783 |
| Highways & Roads | $88 | $167 |
| Public Welfare | $724 | $2,051 |
| Hospitals | $40 | $0 |
| Parks & Recreation | $992 | $2,314 |
| Housing | $1,654 | $2,637 |
| Utilities | $1,130 | $2,793 |
| Other | $1,799 | $739 |
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Source: Census Annual Survey of State and Local Government Finances, 2026.