Rio Vista, California

Rio Vista population, 2020 to 2024

Rio Vista added 240 residents from July 2020 to July 2024, a change of +2.4%. In the latest year it moved by +110. Among 429 California places of 5,000 or more, that growth ranks 87th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Rio Vista is 28% of it.

Rio Vista covers 6.60 square miles of land and 0.50 of water, for 1,553 people per square mile of land. The median California place of 5,000+ has 3,725, so Rio Vista is less dense than the typical town.

What county Rio Vista is in

All of Rio Vista's residents live in Solano County, which had 455,101 residents in 2024. Rio Vista holds 2.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Rio Vista

1 ZIP Code Tabulation Area (ZCTA) overlaps Rio Vista by at least 10% of the ZCTA's or the city's land: 94571. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Rio Vista is

The Census internal point of Rio Vista is at 38.176700, -121.703400. Sacramento, the capital, is 29.9 miles NNE in a straight line. The nearest larger place is Oakley, CA (47,158 people), 12.5 miles away. The nearest city of 100,000 or more is Antioch, CA, 14.6 miles away.

Daylight in Rio Vista

At 38.18° N, Rio Vista gets about 14 h 49 min of daylight around the June solstice and 9 h 31 min around the December solstice, a swing of 5 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Rio Vista

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Oakley, 12.5 miles away, with 47,158 people.