Waterloo, California

Waterloo
Waterloo
Position in California.
Coordinates: 38°02′24″N 121°10′52″W / 38.04000°N 121.18111°W / 38.04000; -121.18111
Country United States
State California
CountySan Joaquin
Area
 • Total
5.435 sq mi (14.076 km2)
 • Land5.435 sq mi (14.076 km2)
 • Water0 sq mi (0 km2)  0%
Elevation62 ft (19 m)
Population
 (2020)
 • Total
534
 • Density98.3/sq mi (37.9/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
GNIS feature ID2628798
U.S. Geological Survey Geographic Names Information System: Waterloo, California

Waterloo is a census-designated place in San Joaquin County, California.[2] Waterloo sits at an elevation of 62 feet (19 m).[2] The 2020 United States census reported Waterloo's population was 534.

Geography

According to the United States Census Bureau, the CDP covers an area of 5.4 square miles (14.1 km2), all of it land.

Demographics

Historical population
CensusPop.Note
2010572
2020534−6.6%
U.S. Decennial Census[3]
1850–1870[4][5] 1880-1890[6]
1900[7] 1910[8] 1920[9]
1930[10] 1940[11] 1950[12]
1960[13] 1970[14] 1980[15]
1990[16] 2000[17] 2010[18]

Waterloo first appeared as a census designated place in the 2010 U.S. census, one of ten CDPS (Acampo, Collierville, Dogtown, Mountain House, Peters, Terminous, Thornton, Victor, Waterloo, and Woodbridge) formed out of the deleted North Woodbridge CDP and South Woodbridge CDP.[18]

The 2020 United States census reported that Waterloo had a population of 534. The population density was 98.3 inhabitants per square mile (38.0/km2). The racial makeup of Waterloo was 335 (62.7%) White, 1 (0.2%) African American, 18 (3.4%) Native American, 16 (3.0%) Asian, 2 (0.4%) Pacific Islander, 100 (18.7%) from other races, and 62 (11.6%) from two or more races. Hispanic or Latino of any race were 193 persons (36.1%).[19]

The whole population lived in households. There were 207 households, out of which 45 (21.7%) had children under the age of 18 living in them, 117 (56.5%) were married-couple households, 14 (6.8%) were cohabiting couple households, 39 (18.8%) had a female householder with no partner present, and 37 (17.9%) had a male householder with no partner present. 65 households (31.4%) were one person, and 38 (18.4%) were one person aged 65 or older. The average household size was 2.58.[19] There were 131 families (63.3% of all households).[20]

The age distribution was 89 people (16.7%) under the age of 18, 71 people (13.3%) aged 18 to 24, 97 people (18.2%) aged 25 to 44, 153 people (28.7%) aged 45 to 64, and 124 people (23.2%) who were 65 years of age or older. The median age was 47.0 years. For every 100 females, there were 122.5 males.[19]

There were 217 housing units at an average density of 39.9 units per square mile (15.4 units/km2), of which 207 (95.4%) were occupied. Of these, 132 (63.8%) were owner-occupied, and 75 (36.2%) were occupied by renters.[19]

References

  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
  2. ^ a b c U.S. Geological Survey Geographic Names Information System: Waterloo, California
  3. ^ "Decennial Census by Decade". United States Census Bureau.
  4. ^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Almeda County to Sutter County" (PDF). United States Census Bureau.
  5. ^ "1870 Census of Population - Population of Civil Divisions less than Counties - California - Tehama County to Yuba County" (PDF). United States Census Bureau.
  6. ^ "1890 Census of Population - Population of California by Minor Civil Divisions" (PDF). United States Census Bureau.
  7. ^ "1900 Census of Population - Population of California by Counties and Minor Civil Divisions" (PDF). United States Census Bureau.
  8. ^ "1910 Census of Population - Supplement for California" (PDF). United States Census Bureau. Archived from the original (PDF) on August 23, 2024. Retrieved August 12, 2024.
  9. ^ "1920 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
  10. ^ "1930 Census of Population - Number and Distribution of Inhabitants - California" (PDF). United States Census Bureau.
  11. ^ "1940 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
  12. ^ "1950 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
  13. ^ "1960 Census of Population - General population Characteristics - California" (PDF). United States Census Bureau.
  14. ^ "1970 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
  15. ^ "1980 Census of Population - Number of Inhabitants - California" (PDF). United States Census Bureau.
  16. ^ "1990 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
  17. ^ "2000 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
  18. ^ a b "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
  19. ^ a b c d "Waterloo CDP, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing". US Census Bureau. Retrieved June 11, 2025.
  20. ^ "Waterloo CDP, California; P16: Household Type - 2020 Census of Population and Housing". US Census Bureau. Retrieved June 11, 2025.