Congressional District 12 (2025)

This Congressional district was established by the voters of California with the passage of Proposition 50 (2025) on November 4, 2025 and will go into effect after the November 2026 elections and upon seating of the 120th Congress, January 3, 2027. This district will stay in use until the California Citizens Redistricting Commission draws new maps following the 2030 U.S. Census.

Map of California 2025 Congressional District 12

DISTRICT CD12


2020 Census Population (adj Elec. §21003 - SWDB 9/27/2021)

NameCountPercent
Total Population (POP)760,065100.00%
POP Hispanic or Latino179,53423.62%
POP Not Hispanic or Latino (NH)580,53176.38%
POP NH Population of one race533,82370.23%
POP NH White alone249,40632.81%
POP NH Black or African American alone116,97015.39%
POP NH Asian alone156,14420.54%
POP NH American Indian and Alaska Native alone2,0020.26%
POP NH Native Hawaiian and Other Pacific Islander alone3,8740.51%
POP NH Some Other Race alone5,4270.71%
POP NH Population of two or more races46,7086.15%
POP DOJ NH Black or African American125,00316.45%
POP DOJ NH Asian174,80623.00%
POP DOJ NH American Indian and Alaska Native4,9660.65%
POP DOJ NH Native Hawaiian and Other Pacific Islander4,6120.61%
POP DOJ NH Some Other Race10,8431.43%
POP DOJ NH Balance of Population of two or more races10,8951.43%

2020 Census Voting Age Population (adj Elec. §21003 - SWDB 9/27/2021)

NameCountPercent
Total Voting Age Population (VAP)622,597100.00%
VAP Hispanic or Latino131,75021.16%
VAP Not Hispanic or Latino (NH)490,84778.84%
VAP NH Population of one race459,93673.87%
VAP NH White alone218,60935.11%
VAP NH Black or African American alone97,28115.63%
VAP NH Asian alone135,32221.74%
VAP NH American Indian and Alaska Native alone1,6240.26%
VAP NH Native Hawaiian and Other Pacific Islander alone2,8950.46%
VAP NH Some Other Race alone4,2050.68%
VAP NH Population of two or more races30,9114.96%
VAP DOJ NH Black or African American102,61416.48%
VAP DOJ NH Asian146,03023.45%
VAP DOJ NH American Indian and Alaska Native4,1840.67%
VAP DOJ NH Native Hawaiian and Other Pacific Islander3,4420.55%
VAP DOJ NH Some Other Race8,5271.37%
VAP DOJ NH Balance of Population of two or more races7,4411.20%

2020 Census Housing Occupancy Status

NameCountPercent
Total Housing Units308,758100.00%
Occupied289,42793.74%
Vacant19,3316.26%

2020 Census Group Quarters Population (adj Elec. §21003 - SWDB 9/27/2021)

NameCountPercent
Total Group Quarters Population:39,150100.00%
Institutionalized population:3,5809.14%
Correctional facilities for adults2200.56%
Juvenile facilities890.23%
Nursing facilities/Skilled-nursing facilities3,2468.29%
Other institutional facilities250.06%
Noninstitutionalized population:35,57090.86%
College/University student housing16,05541.01%
Military quarters2110.54%
Other noninstitutional facilities19,30449.31%

2019-2023 ACS Citizen Population (adj Elec. §21003 - SWDB 7/16/2025)

NameCountPercent
Total Citizen Population (CITZ)653,423100.00%
CITZ Hispanic or Latino130,43119.96%
CITZ Not Hispanic or Latino (NH)523,04180.05%
CITZ NH White alone245,08837.51%
CITZ NH Black or African American Alone110,82616.96%
CITZ NH Asian Alone122,03618.68%
CITZ NH American Indian and Alaska Native Alone1,9130.29%
CITZ NH Native Hawaiian and Other Pacific Islander alone2,8550.44%
CITZ NH Black or African American and White10,1091.55%
CITZ NH American Indian or Alaska Native and White19,4142.97%
CITZ NH Asian and White1,7820.27%
CITZ NH American Indian or Alaska Native and Black or African American1,2810.20%
CITZ NH Remainder of Two or More Race7,6501.17%
CITZ DOJ NH Black or African American120,93518.51%
CITZ DOJ NH Asian141,45021.65%
CITZ DOJ NH American Indian and Alaska Native3,6950.57%

2019-2023 ACS Citizen Voting Age Population (adj Elec. §21003 - SWDB 7/16/2025)

NameCountPercent
Total Citizen Voting Age Population (CVAP)522,733100.00%
CVAP Hispanic or Latino85,81916.42%
CVAP Not Hispanic or Latino (NH)436,81883.56%
CVAP NH White alone211,23540.41%
CVAP NH Black or African American Alone91,36017.48%
CVAP NH Asian Alone105,89920.26%
CVAP NH American Indian and Alaska Native Alone1,5520.30%
CVAP NH Native Hawaiian and Other Pacific Islander alone2,3340.45%
CVAP NH Black or African American and White6,0821.16%
CVAP NH Asian and White10,6142.03%
CVAP NH American Indian or Alaska Native and White1,5680.30%
CVAP NH American Indian or Alaska Native and Black or African American1,1110.21%
CVAP NH Remainder of Two or More Race4,8410.93%
CVAP DOJ NH Black or African American97,44218.64%
CVAP DOJ NH Asian116,51322.29%
CVAP DOJ NH American Indian and Alaska Native3,1200.60%

Counties In District

NameCountPercent
Alameda760,06445.15%

Places In District

NameCountPercent
ALAMEDA: Alameda(C)78,353100.00%
ALAMEDA: Albany(C)20,275100.00%
ALAMEDA: Berkeley(C)124,432100.00%
ALAMEDA: Emeryville(C)12,911100.00%
ALAMEDA: Oakland(C)441,888100.00%
ALAMEDA: Piedmont(C)11,274100.00%
ALAMEDA: San Leandro(C)70,93177.86%

Senate Office of Demographics 02/2026