Government Code section 23202

A boundary line between counties shall not be changed, pursuant to this article, if the change would result in any of the following:

(a)

The line to be moved a distance of more than 5 miles from its original location.

(b)

A reduction by more than 5 percent in the area of any affected county.

(c)

A reduction by more than 5 percent of the population of any affected county, as determined by the State Department of Finance’s most recent estimate of population.

Source: Section 23202, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=GOV§ionNum=23202.­ (updated Jan. 1, 1985; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 23202's source at ca​.gov