California’s 4th congressional district

Date Created: 03/04/1873

Counties:

Lake, Napa, Solano (part), Sonoma (part), Yolo (part)

Demographics (Source)

Year	Population	White	Black	AmInd	Asian	PacIs	Other	Mixed	Hispanic
2018	754,525	84.37%	1.33%	0.63%	5.74%	0.22%	2.85%	4.87%	14.30%
2020	758,825

Statewide Elections

Year	Office	Democratic	Republican	Others
2016	President
2016	US Senate
2018	US Senate
2020	President
2022	US Senate

District Elections

Year	Democratic	Republican	Others	Winner
2016	37.28%	62.72%	0.00%	McClintock (R)
2018	45.87%	54.13%	0.00%	McClintock (R)
2020	44.05%	55.95%	0.00%	McClintock (R)
2022	68.53%	31.47%	0.00%	Thompson (D)