Waterloo, CA Profile: Facts & Data


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Waterloo, California - Basic Facts

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The Waterloo CDP(1) had a population of 581 as of July 1, 2022. Waterloo ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Waterloo is located at latitude 38.0346 and longitude -121.1869 in San Joaquin County. The formal boundaries for the Waterloo Census Designated Place encompass a land area of 5.43 sq. miles and a water area of 0 sq. miles. San Joaquin County is in the Pacific time zone (GMT -8). The elevation is 59 feet.

The Waterloo Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Waterloo Census Designated Place is located within Stockton CCD of San Joaquin County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. Waterloo 2022 Demographic Data
  2. Growth Rates for Waterloo (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2022 Demographics

Waterloo, CA Data & Demographics (As of July 1, 2022)


Total Population 581 (100%)
Population in Households 581 (100.0%)
Population in Families 501 (86.2%)
Population in Group Quarters1 0
Population Density 107
Diversity Index2 80


Median Household Income $104,688
Average Household Income $154,417
% of Income for Mortgage4 32%
Per Capita Income $49,608
Wealth Index5 193


Total HU (Housing Units) 215 (100%)
Owner Occupied HU 143 (66.5%)
Renter Occupied HU 62 (28.8%)
Vacant Housing Units 10 ( 4.7%)
Median Home Value $643,939
Average Home Value $745,660
Housing Affordability Index3 79


Total Households 205
Average Household Size 2.83
Family Households 153
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population 3.82% 0.07%
Households -0.43% 0.00%
Families   0.00%
Median Household Income   1.67%
Per Capita Income   2.12%
Owner Occupied HU   0.00%

Waterloo, CA - Peer Comparisons by Rank and Percentile

The table below compares Waterloo to the other 1,611 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2022 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 1193 26th
Population Density # 1317 18th
Median Household Income # 370 77th
Housing Affordability Index # 908 56th
Per Capita Income # 478 70th
Diversity Index # 434 74th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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