CDP in San Joaquin County, California · 5.4 sq mi · 176 people per sq mi
About 960 people live in Waterloo. The typical household earns $221,850, and the median resident is 40.5 years old.
2026 projection
From 902 in 2020
Poverty rate 5.48%
Men 55.2 · Women 34.8
2011–2026
958
2026 projection
6.2% 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
958
2026 projection
6.2% 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 | 958 | +24 | 2.57% |
|---|---|---|---|
| 2025 | 934 | +48 | 2.67% |
| 2023 | 886 | +46 | 5.48% |
| 2022 | 840 | -73 | 8.00% |
| 2021 | 913 | +11 | 1.22% |
| 2020 | 902 | +232 | 34.63% |
| 2019 | 670 | -49 | 6.82% |
| 2018 | 719 | -31 | 4.13% |
| 2017 | 750 | +254 | 51.21% |
| 2016 | 496 | -28 | 5.34% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 9 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 18 residents
67% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 67% | 76% | 57% |
| Never married | 28% | 17% | 41% |
| Divorced | <1% | 2% | 0% |
| Widowed | 4% | 5% | 2% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau