Arroyo Grande, California

Arroyo Grande population, 2020 to 2024

Arroyo Grande lost 187 residents from July 2020 to July 2024, a change of -1.0%. In the latest year it moved by -22. Among 429 California places of 5,000 or more, that growth ranks 210th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Arroyo Grande is 49% of it.

Arroyo Grande covers 5.94 square miles of land, for 3,072 people per square mile of land. The median California place of 5,000+ has 3,725, so Arroyo Grande is less dense than the typical town.

What county Arroyo Grande is in

All of Arroyo Grande's residents live in San Luis Obispo County, which had 281,843 residents in 2024. Arroyo Grande holds 6.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Arroyo Grande

1 ZIP Code Tabulation Area (ZCTA) overlaps Arroyo Grande by at least 10% of the ZCTA's or the city's land: 93420. 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 Arroyo Grande is

The Census internal point of Arroyo Grande is at 35.124100, -120.584500. Sacramento, the capital, is 243.8 miles NNW in a straight line. The nearest larger place is San Luis Obispo, CA (49,729 people), 10.9 miles away. The nearest city of 100,000 or more is Santa Maria, CA, 15.4 miles away.

Daylight in Arroyo Grande

At 35.12° N, Arroyo Grande gets about 14 h 32 min of daylight around the June solstice and 9 h 47 min around the December solstice, a swing of 4 h 44 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Arroyo Grande

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Grover Beach, 2.0 miles away, with 12,534 people.