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Profile of Congressional District 4, CA


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Districts in this state



Congress:    
State Senate:    
State House:    

2022 population: 764,345

2022 Census data
White:403,549 52.80%
Black:21,4252.80%
Indian:3,4910.46%
Asian:63,5388.31%
2+ races:34,8644.56%
Hispanic:234,79230.72%
Total non-White:360,79647.20%




    

Age, Family & Household Data for Congressional District 4, CA

[Display all years]

Year:
 
Median Age:
Under 18:
Voting Age Population:
Over 65:
Households:
Persons Per HH:
Families (%HH):
Married Couples (%Fams):
Single Mothers (%Fams):
Non-Family (%HH):

2022
NumberPercent
39.2
152,538 20.0%
611,807 80.0%
141,088 18.5%
281,547
2.63
179,496 63.8%
135,093 75.3%
14,562 8.1%
102,051 36.2%
    

2022 Housing Data for Congressional District 4, CA

Housing Data
 Number%
Housing Units307,161 
Median Value$627,500 
Occupied281,54791.7%
Vacant25,6148.3%
Owned169,74160.3%
Rented111,80639.7%
Median Rent$1,882 
Single-Family Units215,49170.2%
    Detached195,60863.7%
    Attached19,8836.5%
Buldings with 5+ Units49,52316.1%
Mobile Homes19,9606.5%

2022 Income & Employment Data for Congressional District 4, CA

Household Income
RangeNumber%
Less than $10,00012,6024.5%
$10,000 to $14,9998,1472.9%
$15,000 to $19,9996,6732.4%
$20,000 to $24,9996,3422.3%
$25,000 to $29,9998,1702.9%
$30,000 to $34,9998,4963.0%
$35,000 to $39,9998,1202.9%
$40,000 to $44,9997,5372.7%
$45,000 to $49,9999,2383.3%
$50,000 to $59,99918,2616.5%
$60,000 to $74,99922,4038.0%
$75,000 to $99,99935,76012.7%
$100,000 to $124,99930,29610.8%
$125,000 to $149,99922,4958.0%
$150,000 to $199,99932,23011.4%
$200,000 or more44,77715.9%
Median Household Income91,956 
Per Capita Income47,059 
Welfare Households
 Number%
SSI13,7824.9%
Public Assistance7,5382.7%
Public Asst. or Food Stamps26,5079.4%
Labor Force, Ages 25-64
 Number%
Employed225,75367.8%
Unemployed13,4424.0%
In Armed Forces2,0640.6%
Total Labor Force241,25972.5%
Not in Labor Force91,52227.5%
Real Unemployment Rate 31.5%
Class of Worker
 MaleFemale% Male
Private Sector127,10197,93956.5%
Non-Profit10,13719,86533.8%
Self-Employed23,48217,93456.7%
Local Government13,62820,04940.5%
State Government12,19814,27146.1%
Federal Government3,6802,63458.3%
Total Private + Self150,583115,87356.5%
Total Non-Profit + Govt.39,64356,81941.1%
Total190,226172,69252.4%
Pct. Govt.18.3%  
Occupation
 Number%
Management, Business, Science, Arts58,63916.1%
Sales and Office Occupations70,72719.5%
Professional, Technical85,37023.5%
Service Occupations70,47919.4%
Farming, Forestry, Fishing7,2682.0%
All others78,32021.5%
White Collar 59.1%
Industry
 Number%
Retail trade39,57910.9%
Educational services and health care38,95610.7%
Manufacturing33,2459.1%
Construction29,2308.0%
Accommodation, food svcs, recreation27,7017.6%
Professional, scientific, management25,5327.0%
Public administration21,4095.9%
Other services16,8374.6%
Farming, forestry, fishing, mining12,0423.3%
Transportation, warehousing, utilities11,9123.3%
Finance, insurance and real estate9,3392.6%
Wholesale trade7,2722.0%
Information5,2521.4%

2022 Ancestry, Citizenship & Language Data for Congressional District 4, CA

Hispanic Breakdown
CountryNumber%
Mexican195,14725.53%
Puerto Rican4,2980.56%
Cuban1,4470.19%
Dominican2630.03%
Total Central American10,9511.43%
Costa Rican1210.02%
Guatemalan3,1870.42%
Honduran5890.08%
Nicaraguan1,4020.18%
Panamanian4840.06%
Salvadoran5,1390.67%
Other Central American290.00%
Total South American5,8380.76%
Argentinean9570.13%
Bolivian650.01%
Chilean1,0260.13%
Colombian1,5060.20%
Ecuadorian2980.04%
Paraguayan330.00%
Peruvian1,6230.21%
Uruguayan70.00%
Venezuelan2040.03%
Other South American1190.02%
Other Hispanic16,8482.20%
Asian Breakdown
CountryNumber%
Filipino17,7752.33%
Chinese15,6132.04%
Indian7,4000.97%
Vietnamese3,8420.50%
Korean3,7570.49%
Japanese3,7360.49%
Cambodian1,1110.15%
Taiwanese1,0410.14%
Thai5620.07%
Language Spoken at Home
LanguageNumber%
English513,75170.8%
Spanish153,64021.2%
Other Indo-European12,9201.8%
Chinese12,0061.7%
Tagalog9,3401.3%
Other Asian7,4721.0%
French, Haitian, Cajun3,5250.5%
German, other Germanic2,8080.4%
Vietnamese2,7450.4%
Ancestry
CountryNumber%
German81,16010.6%
Irish73,8459.7%
English73,6489.6%
European45,8546.0%
Italian42,8505.6%
American19,0252.5%
French18,2752.4%
Scottish14,7311.9%
Norwegian11,9871.6%
Polish10,1911.3%
Swedish9,9821.3%
Portuguese9,8531.3%
Scotch-Irish7,2200.9%
Dutch7,0570.9%
Russian5,9800.8%
Citizenship & Nativity
 Number%
U.S. citizen695,22991.0%
Not a citizen69,1169.0%
Native627,97682.2%
Foreign-born136,36917.8%

2022 Educational Attainment Data for Congressional District 4, CA

Educational Attainment, Population 25 Years and Older
< 9 Years9-12 YearsH.S. Grad or GEDSome CollegeBach. DegreeGrad Degree
35,131 6.7%28,945 5.5%104,043 19.9%169,184 32.4%110,540 21.2%74,231 14.2%
  Average years of education: 13.5
Population 25 Years and Older
< 9 Years 35,131 6.7%
9-12 Years 28,945 5.5%
H.S. Grad or GED 104,043 19.9%
Some College 169,184 32.4%
Bach. Degree 110,540 21.2%
Grad Degree 74,231 14.2%
Average years of education: 13.5

Source for the above data: U.S. Census Bureau / American Community Survey (1 year-estimates)



Historical U.S. House Election Results for Congressional District 4, CA

Click on the District to view county-level data for that election (where available).
NOTE: Results prior to 2022 are for districts which previously covered much of this area, regardless of district number.

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 CA04Mike Thompson* (D) 176,900 67.8% Matt Brock (R) 84,007 32.2% 0 0.0% 260,907
Redistricting effect (2022); the partisan balance of the district was moved to the RIGHT by approximately 5% compared to 2020.
2020-11-03 CA05Mike Thompson* (D) 271,233 76.1% Scott Giblin (R) 85,227 23.9% 0 0.0% 356,460
2018-11-06 CA05Mike Thompson* (D) 205,860 78.9% Anthony Mills (I) 55,158 21.1% 0 0.0% 261,018
2016-11-08 CA05Mike Thompson* (D) 224,526 76.9% Carlos Santamaria (R) 67,565 23.1% 0 0.0% 292,091
2014-11-04 CA05Mike Thompson* (D) 129,613 75.7% James Hinton (I) 41,535 24.3% 0 0.0% 171,148
2012-11-06 CA05Mike Thompson* (D) 202,872 74.5% Randy Loftin (R) 69,545 25.5% 0 0.0% 272,417
Redistricting effect (2012); the partisan balance of the district was moved to the LEFT by approximately 5% compared to 2010.
2010-11-02 CA01Mike Thompson* (D) 147,307 62.8% Loren Hanks (R) 72,803 31.0% 14,482 6.2% 234,592
2008-11-04 CA01Mike Thompson* (D) 197,812 68.1% Zane Starkewolf (R) 67,853 23.4% 24,807 8.5% 290,472
2006-11-07 CA01Mike Thompson* (D) 144,409 66.2% John Jones (R) 63,194 29.0% 10,441 4.8% 218,044
2004-11-02 CA01Mike Thompson* (D) 189,366 66.9% Lawrence Wiesner (R) 79,970 28.3% 13,635 4.8% 282,971
2002-11-05 CA01Mike Thompson* (D) 118,669 64.1% Lawrence Wiesner (R) 60,013 32.4% 6,534 3.5% 185,216
Redistricting effect (2002); the partisan balance of the district was moved to the LEFT by approximately 2% compared to 2000.
2000-11-07 CA01Mike Thompson* (D) 155,368 65.0% Jim Chase (R) 66,987 28.0% 16,710 7.0% 239,065
1998-11-03 CA01Mike Thompson (D) 121,713 61.9% Mark Luce (R) 64,622 32.8% 10,437 5.3% 196,772
1996-11-05 CA01Frank Riggs* (R) 110,242 49.6% Michela Alioto (D) 96,522 43.5% 15,354 6.9% 222,118
1994-11-08 CA01Frank Riggs (R) 106,870 53.3% Dan Hamburg* (D) 93,717 46.7% 86 0.0% 200,673
1992-11-03 CA01Dan Hamburg (D) 119,676 47.6% Frank Riggs* (R) 113,266 45.1% 18,264 7.3% 251,206
Redistricting effect (1992); the partisan balance of the district was moved to the LEFT by approximately 4% compared to 1990.
1990-11-06 CA04Vic Fazio* (D) 115,090 54.7% Mark Baughman (R) 82,738 39.3% 12,626 6.0% 210,454
1988-11-08 CA04Vic Fazio* (D) 181,184 99.3% Larry Smith (I) 1,245 0.7% 61 0.0% 182,490
1986-11-04 CA04Vic Fazio* (D) 128,364 70.2% Jack Hite (R) 54,596 29.8% 0 0.0% 182,960
1984-11-06 CA04Vic Fazio* (D) 130,109 61.4% Roger Canfield (R) 77,773 36.7% 4,039 1.9% 211,921
1982-11-02 CA04Vic Fazio* (D) 118,476 63.9% Roger Canfield (R) 67,047 36.1% 0 0.0% 185,523
Redistricting effect (1982); the partisan balance of the district was changed by less than 1% compared to 1980.
1980-11-04 CA04Vic Fazio* (D) 133,853 65.1% Albert Dehr (R) 60,935 29.6% 10,806 5.3% 205,594
1978-11-07 CA04Vic Fazio (D) 87,764 55.4% Rex Hime (R) 70,733 44.6% 0 0.0% 158,497
1976-11-02 CA04Robert Leggett* (D) 75,844 46.7% Albert Dehr (R) 75,193 46.3% 11,331 7.0% 162,368
1974-11-04 CA04Robert Leggett* (D) 101,152 100.0% 0 0.0% 101,152
Redistricting effect (1974); the partisan balance of the district was moved to the LEFT by approximately 3% compared to 1972.
1972-11-07 CA04Robert Leggett* (D) 115,038 67.4% Benjamin Chang (R) 55,540 32.6% 0 0.0% 170,578
Redistricting effect (1972); the partisan balance of the district was moved to the LEFT by approximately 2% compared to 1970.
1970-11-03 CA04Robert Leggett* (D) 103,485 68.0% Andrew Gyorke (R) 48,783 32.0% 0 0.0% 152,268
1968-11-05 CA04Robert Leggett* (D) 90,126 55.6% James Shumway (R) 67,225 41.5% 4,670 2.9% 162,021
1966-11-08 CA04Robert Leggett* (D) 67,942 59.4% Tom McHatton (R) 46,337 40.5% 7 0.0% 114,286
1964-11-03 CA04Robert Leggett* (D) 84,949 71.9% Ivan Norris (R) 33,160 28.1% 13 0.0% 118,122
1962-11-06 CA04Robert Leggett (D) 55,563 56.5% L.V. Honsinger (R) 42,762 43.5% 20 0.0% 98,345
*: incumbent           sp: special election           RO: runoff election

Historical Presidential Election Results for Congressional District 4, CA


Click on the Year to view presidential county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St)
Diff
(US)
PSV
2020 redist Joe Biden (D) 250,308 67.1% Donald Trump* (R) 113,844 30.5% 9,126 2.4% 373,278 -4 -16 2.13%
2020 63% Joe Biden (D) 264,128 72.4% Donald Trump* (R) 92,096 25.3% 8,342 2.3% 364,566 -9 -22 2.08%
2016 54% Hillary Clinton (D) 210,950 69.2% Donald Trump (R) 74,088 24.3% 20,014 6.6% 305,052 -7 -22 2.14%
2012 52% Barack Obama* (D) 199,924 69.7% Mitt Romney (R) 78,703 27.5% 8,031 2.8% 286,658 -10 -20 2.20%
2008 57% Barack Obama (D) 199,835 65.7% John McCain (R) 96,530 31.7% 7,670 2.5% 304,035 -5 -14 2.24%
2004 58% John Kerry (D) 173,926 59.7% George W. Bush* (R) 111,754 38.4% 5,508 1.9% 291,188 -6 -12 2.34%
2000 52% Albert Gore, Jr. (D) 124,039 50.0% George W. Bush (R) 101,630 41.0% 22,391 9.0% 248,060 -1 -7 2.26%
1996 48% Bill Clinton* (D) 113,861 51.6% Robert Dole (R) 83,669 37.9% 23,024 10.4% 220,554 0 -3 2.20%
1992 60% Bill Clinton (D) 119,491 46.8% George Bush* (R) 74,597 29.2% 61,160 24.0% 255,248 -3 -8 2.29%
1988 48% George Bush (R) 129,477 51.5% Michael Dukakis (D) 121,847 48.5% 0 0.0% 251,324 0 -2 2.54%
1984 53% Ronald Reagan* (R) 127,252 56.8% Walter Mondale (D) 96,775 43.2% 0 0.0% 224,027 -1 -2 2.36%
1980 57% Ronald Reagan (R) 103,541 49.2% Jimmy Carter* (D) 86,427 41.1% 20,295 9.7% 210,263 -3 -1 2.45%
1976 48% Jimmy Carter (D) 96,028 55.7% Gerald Ford* (R) 76,230 44.3% 0 0.0% 172,258 -5 -4 2.19%
1972 57% Richard Nixon* (R) 91,739 54.1% George McGovern (D) 77,896 45.9% 0 0.0% 169,635 -1 -7 2.03%
1968 n/a Hubert Humphrey (D) 75,698 46.8% Richard Nixon (R) 70,176 43.4% 15,841 9.8% 161,715 -4 0 2.23%
1964 n/a Lyndon Johnson* (D) 63.9% Barry Goldwater (R) 36.1% 0.0% -5 -2 n/a
* incumbent           PSV: percent of state vote
"2020 redist": shows what the results of the 2020 Presidential election would have been under the current (redistricted) boundaries of this district.

Historical Demographic Breakdown for Congressional District 4, CA


NOTE: Data prior to 2022 is for the district which previously covered much of this area, regardless of district number.

YearPopWhiteBlack IndianAsian2+ RacesHispanic
2021 758,825 52.3% 2.7% 0.3% 9.1% 4.5% 30.8%
2020 726,072 47.2% 6.6% 11.7% 5.6% 28.9%
2012 709,544 50.3% 6.5% 1.2% 11.3% 4.8% 25.9%
2010 704,012 63.3% 1.6% 2.3% 6.1% 3.1% 23.6%
2002 639,087 71.2% 1.3% 2.4% 4.1% 2.9% 17.9%
2000 644,525 67.6% 4.6% 2.8% 3.9% 4.6% 16.5%
1992 573,082 78.6% 3.9% 2.7% 3.6% 11.2%
1990 757,684 70.8% 7.4% 1.1% 7.0% 13.7%
1982 525,754 77.9% 5.7% 1.2% 3.7% 11.5%
1980 581,198 8.0% 1.0% 5.0% 12.0%
1976 464,171 6.0% 11.0%
1972 466,428 5.0% 1.0% 11.0%
1970 523,163 4.0% 3.0% 7.0%

Voter Registration Data for Congressional District 4, CA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2022 443,855 97,919 22.1% 222,071 50.0% 123,865 27.9% Dem +124,152 Dem +28.0% 76%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.