CDP in St. Louis County, Missouri · 14.9 sq mi · 1,443 people per sq mi
About 22,000 people live in Old Jamestown. The typical household earns $99,521, and the median resident is 41.1 years old.
2026 projection
From 19,602 in 2020
Poverty rate 7.38%
Men 39.8 · Women 41.4
2011–2026
21,568
2026 projection
10% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
21,568
2026 projection
10% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 21,568 | +149 | 0.70% |
|---|---|---|---|
| 2025 | 21,419 | +298 | 0.70% |
| 2023 | 21,121 | +734 | 3.60% |
| 2022 | 20,387 | +5 | 0.02% |
| 2021 | 20,382 | +780 | 3.98% |
| 2020 | 19,602 | -175 | 0.88% |
| 2019 | 19,777 | +338 | 1.74% |
| 2018 | 19,439 | -427 | 2.15% |
| 2017 | 19,866 | +475 | 2.45% |
| 2016 | 19,391 | +152 | 0.79% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 207 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 14 residents
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 53% | 47% |
| Never married | 33% | 35% | 32% |
| Divorced | 9% | 7% | 10% |
| Widowed | 6% | 4% | 8% |
| Separated | 3% | 1% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau