Congressional District 45 (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 45

DISTRICT CD45


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

NameCountPercent
Total Population (POP)760,066100.00%
POP Hispanic or Latino263,41234.66%
POP Not Hispanic or Latino (NH)496,65465.34%
POP NH Population of one race474,78562.47%
POP NH White alone151,71219.96%
POP NH Black or African American alone18,2712.40%
POP NH Asian alone297,46339.14%
POP NH American Indian and Alaska Native alone1,2130.16%
POP NH Native Hawaiian and Other Pacific Islander alone3,0560.40%
POP NH Some Other Race alone3,0700.40%
POP NH Population of two or more races21,8692.88%
POP DOJ NH Black or African American20,2522.66%
POP DOJ NH Asian306,73140.36%
POP DOJ NH American Indian and Alaska Native4,1150.54%
POP DOJ NH Native Hawaiian and Other Pacific Islander3,7490.49%
POP DOJ NH Some Other Race5,3530.70%
POP DOJ NH Balance of Population of two or more races4,7420.62%

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

NameCountPercent
Total Voting Age Population (VAP)605,051100.00%
VAP Hispanic or Latino191,88631.71%
VAP Not Hispanic or Latino (NH)413,16568.29%
VAP NH Population of one race398,57965.88%
VAP NH White alone133,04321.99%
VAP NH Black or African American alone14,8282.45%
VAP NH Asian alone244,94240.48%
VAP NH American Indian and Alaska Native alone1,0410.17%
VAP NH Native Hawaiian and Other Pacific Islander alone2,4590.41%
VAP NH Some Other Race alone2,2660.37%
VAP NH Population of two or more races14,5862.41%
VAP DOJ NH Black or African American16,0682.66%
VAP DOJ NH Asian250,25141.36%
VAP DOJ NH American Indian and Alaska Native3,5480.59%
VAP DOJ NH Native Hawaiian and Other Pacific Islander2,9480.49%
VAP DOJ NH Some Other Race4,1040.68%
VAP DOJ NH Balance of Population of two or more races3,2030.53%

2020 Census Housing Occupancy Status

NameCountPercent
Total Housing Units232,757100.00%
Occupied226,85797.47%
Vacant5,9002.53%

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

NameCountPercent
Total Group Quarters Population:8,895100.00%
Institutionalized population:2,69230.26%
Correctional facilities for adults370.42%
Juvenile facilities1842.07%
Nursing facilities/Skilled-nursing facilities2,14024.06%
Other institutional facilities3313.72%
Noninstitutionalized population:6,20369.74%
College/University student housing1,92821.68%
Military quarters830.93%
Other noninstitutional facilities4,19247.13%

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

NameCountPercent
Total Citizen Population (CITZ)643,894100.00%
CITZ Hispanic or Latino207,93032.29%
CITZ Not Hispanic or Latino (NH)436,01267.71%
CITZ NH White alone151,68723.56%
CITZ NH Black or African American Alone17,1662.67%
CITZ NH Asian Alone243,93837.88%
CITZ NH American Indian and Alaska Native Alone9610.15%
CITZ NH Native Hawaiian and Other Pacific Islander alone2,6750.42%
CITZ NH Black or African American and White1,9480.30%
CITZ NH American Indian or Alaska Native and White11,0671.72%
CITZ NH Asian and White1,8310.28%
CITZ NH American Indian or Alaska Native and Black or African American790.01%
CITZ NH Remainder of Two or More Race4,6760.73%
CITZ DOJ NH Black or African American19,1142.97%
CITZ DOJ NH Asian255,00539.60%
CITZ DOJ NH American Indian and Alaska Native2,7920.43%

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

NameCountPercent
Total Citizen Voting Age Population (CVAP)492,914100.00%
CVAP Hispanic or Latino139,34628.27%
CVAP Not Hispanic or Latino (NH)353,67771.75%
CVAP NH White alone130,13826.40%
CVAP NH Black or African American Alone13,2792.69%
CVAP NH Asian Alone195,25239.61%
CVAP NH American Indian and Alaska Native Alone9310.19%
CVAP NH Native Hawaiian and Other Pacific Islander alone2,3110.47%
CVAP NH Black or African American and White1,1810.24%
CVAP NH Asian and White6,0231.22%
CVAP NH American Indian or Alaska Native and White1,5690.32%
CVAP NH American Indian or Alaska Native and Black or African American790.02%
CVAP NH Remainder of Two or More Race2,9220.59%
CVAP DOJ NH Black or African American14,4602.93%
CVAP DOJ NH Asian201,27540.83%
CVAP DOJ NH American Indian and Alaska Native2,5000.51%

Counties In District

NameCountPercent
Los Angeles157,7301.57%
Orange602,33818.86%

Places In District

NameCountPercent
LOS ANGELES: Artesia(C)16,447100.00%
LOS ANGELES: Cerritos(C)49,696100.00%
LOS ANGELES: Hawaiian Gardens(C)14,230100.00%
LOS ANGELES: Lakewood(C)21,69626.23%
LOS ANGELES: Norwalk(C)55,06553.37%
LOS ANGELES: Remainder of Los Angeles(R)5960.68%
ORANGE: Buena Park(C)84,188100.00%
ORANGE: Cypress(C)50,235100.00%
ORANGE: Fountain Valley(C)57,120100.00%
ORANGE: Fullerton(C)65,66845.63%
ORANGE: Garden Grove(C)172,347100.00%
ORANGE: La Palma(C)15,597100.00%
ORANGE: Los Alamitos(C)8907.55%
ORANGE: Midway City(U)8,845100.00%
ORANGE: Placentia(C)14,88428.66%
ORANGE: Santa Ana(C)23,8467.66%
ORANGE: Seal Beach(C)6072.40%
ORANGE: Stanton(C)13,25834.83%
ORANGE: Westminster(C)91,083100.00%
ORANGE: Remainder of Orange(R)3,77013.54%

Senate Office of Demographics 02/2026