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St. Peters, MO
Full City Profile · Missouri
3.7
/5.0
B+
Good
58,200
Population
2,586/sq mi density
$89,827
Median Income
$44,386 per capita
$252,800
Home Value
$347,178 Zillow
$1,291
Median Rent
29.3% income on rent
73°F
Avg Temperature
246 sunny days/yr
241
Violent Crime/100K
2,014 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$89,827 median income, 1.6% unemployment
A+
Affordability
5.0 / 5.0
$252,800 home value, $1,291/mo rent
F
Safety
1.0 / 5.0
241 violent crimes/100K
A
Education
4.2 / 5.0
39.7% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+8.7%
54,840 → 59,600
over 10 years
Annual Pop. Growth
+0.84%
Compound annual growth rate
Median Income Change
+28.2%
$70,054 → $89,827
nominal, not inflation-adjusted
Annual Income Growth
+2.52%
Compound annual growth rate
Population Over Time
Total population for St. Peters across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
63,194
+3,594 from 2023 (59,600)
Projected Median Income 2030
$106,922
+$17,095 from 2023 ($89,827)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 54,840 | — | $70,054 | — |
| 2015 | 56,760 | +3.5% | $70,325 | +0.4% |
| 2017 | 57,181 | +0.7% | $73,604 | +4.7% |
| 2019 | 58,158 | +1.7% | $78,786 | +7% |
| 2021 | 58,129 | +-0% | $83,624 | +6.1% |
| 2023 | 59,600 | +2.5% | $89,827 | +7.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.