ZIP Code 95674
About Rio Oso
Rio Oso is a census-designated place (CDP) in Sutter County, California, United States. Rio Oso sits at an elevation of 52 feet (16 m). The ZIP Code is 95674. The community is served by area code 530. The 2020 United States census reported Rio Oso's population was 372.
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Area Profile
US Census (ACS 5-year · Gazetteer)
992
population
$109,063
median household income
31
people / sq mi
$593,300
median home value
$1,131
median gross rent
38.4
median age
341
housing units
293
households
31.9
land area (sq mi)