St. Peters, MO vs O'Fallon, 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 St. Peters, MO at $2,314 per resident and in O'Fallon, MO at $992.
On the revenue side both lean hardest on intergovernmental transfers — 100% of total revenue in St. Peters, MO and 100% in O'Fallon, MO.
Summary
St. Peters spends 74.8% 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 | $1,412 | $393 |
| Income Tax | $2,724 | $655 |
| Intergovernmental | $9,257 | $13,053 |
| Charges & Fees | $1,242 | $862 |
| Other | $1,181 | $1,364 |
Spending Breakdown (Per Capita)
| Fire Protection | $783 | $144 |
| Highways & Roads | $167 | $88 |
| Public Welfare | $2,051 | $724 |
| Hospitals | $0 | $40 |
| Parks & Recreation | $2,314 | $992 |
| Housing | $2,637 | $1,654 |
| Utilities | $2,793 | $1,130 |
| Other | $739 | $1,799 |
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Source: Census Annual Survey of State and Local Government Finances, 2026.