Waterloo is a CDP located in San Joaquin County California. Waterloo has a 2024 population of 885. Waterloo is currently growing at a rate of 2.67% annually but its population has decreased by -1.88% since the most recent census, which recorded a population of 902 in 2020.
The average household income in Waterloo is $183,752 with a poverty rate of 7.02%. The median age in Waterloo is 53.1 years: 55.9 years for males, and 35.1 years for females.
According to the most recent ACS, the racial composition of Waterloo was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 718 | 85.48% |
| Two or more races | 96 | 11.43% |
| Other race | 17 | 2.02% |
| Asian | 9 | 1.07% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Other race
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 321 | 2.62 | 33 | 67 |
| Married | 215 | 2.6 | 41.4 | 58.6 |
| Male | 64 | 2.91 | 0 | 100 |
| Non Family | 25 | 0 | 68 | 32 |
| Female | 17 | 4.18 | 0 | 100 |
2.65
Average Family Size
2.62
Average Household Size
33.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 188 | 31.65% |
| Bachelors Degree | 90 | 15.15% |
| Graduate Degree | 54 | 9.09% |
| High School Graduate | 70 | 11.78% |
| Less Than 9th Grade | 38 | 6.4% |
| Some College | 154 | 25.93% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 505 | 505 | 126 |
| 2+ Races | 63 | 25 | 0 |
| Hispanic | 55 | 17 | 9 |
| Other Race | 17 | 17 | 9 |
| Asian | 9 | 9 | 9 |
The highest rate of high school graduation is among white people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $0 | $0 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $87,146 | $0 | $86,343 |
| Some College | $0 | $170,954 | $85,410 |
$87,146
Average Earnings
$0
Average Male
$86,343
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
88.99% of Waterloo residents speak only English, while 11.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.86% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 88 | 50 | 56.82% |
| Multiple | 96 | 50 | 52.08% |
| White | 718 | 9 | 1.25% |
7.02%
Overall Poverty Rate
10.66%
Male Poverty Rate
3.81%
Female Poverty Rate
The race most likely to be in poverty in Waterloo is Hispanic, with 56.82% below the poverty level.
The race least likely to be in poverty in Waterloo is White, with 1.25% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 21.14%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 44.74% |
| Bachelors or Greater | 6.25% |
| High School | 0% |
| Some College | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $250,001 | $194,392 |
| Households | $250,001 | $183,752 |
| Married Families | $250,001 | $-999,999,999 |
| Non Families | $36,094 | $38,216 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
66.0%
Overall Marriage Rate
81.2%
Male Marriage Rate
51.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 20-34, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
27
Number of Veterans
27
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| First Gulf War | 13 |
| Vietnam | 5 |
| Second Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 55 to 64 | 22 |
| 75+ | 5 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 27 | 4.28% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
33.33%
Veteran Poverty Rate
18.52%
Veteran Disability Rate
LaborForceParticipation
78.6%
Labor Force Participation
78.6%
Employment Rate
0%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
79.4%
Born in Waterloo
92.5%
Native Born
7.5%
Foreign Born
5.6%
Non Citizen
1.9%
Naturalized
92.5% of Waterloo residents were born in the United States, with 79.4% having been born in California. 5.6% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 885 | 23 | 2.67% |
| 2023 | 862 | 22 | 2.62% |
| 2022 | 840 | -73 | -8% |
| 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% |
| 2015 | 524 | 140 | 36.46% |
| 2014 | 384 | 118 | 44.36% |
| 2013 | 266 | 15 | 5.98% |
| 2012 | 251 | 24 | 10.57% |
| 2011 | 227 | -345 | -60.31% |
| 2010 | 572 | 0 | 0% |