Eight states by CW

Some of these counties I would chop in half (or more) to appropriately assign population centers and geographic regions (i.e., San-Bernardino-Riverside-Ontario to Los Diego; Lancaster-Palmdale to Mojave).

Population

Estimated
median income

Voter registration

Race/Ethnicity

California
statewide

37,325,068

$61,400

Democrats	43.4%
Republicans	28.4%
Other	28.2%

Asian	13.4%
Black	5.8%
Latino	37.6%
White	40.1%
Other	3.2%

Redwood

1,222,664

$57,154

Democrats	45.5%
Republicans	25.8%
Other	28.7%

Asian	3.9%
Black	1.6%
Latino	17.7%
White	72.1%
Other	4.7%

Sierra

868,345

$63,636

Democrats	29.1%
Republicans	43.7%
Other	27.3%

Asian	3.8%
Black	1.3%
Latino	12.1%
White	78.9%
Other	3.9%

Mojave

4,425,972

$55,625

Democrats	37.4%
Republicans	37.1%
Other	25.5%

Asian	6.1%
Black	6.9%
Latino	48.5%
White	35.7%
Other	2.8%

Bayland

5,884,514

$80,981

Democrats	51.0%
Republicans	17.8%
Other	31.2%

Asian	27.3%
Black	6.5%
Latino	23.4%
White	39.0%
Other	3.9%

Capitol

3,940,152

$54,855

Democrats	41.9%
Republicans	32.5%
Other	25.6%

Asian	12.1%
Black	6.9%
Latino	28.3%
White	48.1%
Other	4.6%

South Valley

2,826,009

$46,372

Democrats	37.0%
Republicans	39.0%
Other	24.0%

Asian	5.9%
Black	4.2%
Latino	52.3%
White	34.9%
Other	2.7%

Paradise

1,372,254

$62,080

Democrats	44.5%
Republicans	27.9%
Other	27.6%

Asian	4.9%
Black	1.9%
Latino	40.1%
White	50.3%
Other	2.7%

Los Diego

16,785,158

$61,978

Democrats	43.8%
Republicans	27.3%
Other	28.9%

Asian	13.9%
Black	6.1%
Latino	41.9%
White	35.5%
Other	2.6%

Eight states by CW

Demographics