Colusa, California

Colusa population, 2020 to 2024

Colusa added 173 residents from July 2020 to July 2024, a change of +2.7%. In the latest year it moved by +23. Among 429 California places of 5,000 or more, that growth ranks 78th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Colusa is 18% of it.

Colusa covers 4.36 square miles of land, for 1,511 people per square mile of land. The median California place of 5,000+ has 3,725, so Colusa is less dense than the typical town.

What county Colusa is in

All of Colusa's residents live in Colusa County, which had 22,074 residents in 2024. Colusa holds 29.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Colusa

1 ZIP Code Tabulation Area (ZCTA) overlaps Colusa by at least 10% of the ZCTA's or the city's land: 95932. 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 Colusa is

The Census internal point of Colusa is at 39.200000, -122.009500. Sacramento, the capital, is 51.2 miles SSE in a straight line. The nearest larger place is Live Oak, CA (9,503 people), 19.4 miles away. The nearest city of 100,000 or more is Chico, CA, 40.0 miles away.

Daylight in Colusa

At 39.20° N, Colusa gets about 14 h 56 min of daylight around the June solstice and 9 h 25 min around the December solstice, a swing of 5 h 31 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Colusa

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Williams, 7.8 miles away, with 5,598 people.