Ranking of California Cities and Places By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.32M people in California with Irish ancestry. Among all California cities and places, Los Angeles city had the highest population with Irish ancestry (141.12K), followed by San Diego city (98.96K), and San Francisco city (65.76K).
The chart and table below shows the top 10 cities and places with high number of people with Irish ancestry.
You can see similar information for other states and for other ancestry groups in California.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of California Cities and Places By Population with Irish Ancestry in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Los Angeles city | 141120 |
| 2 | San Diego city | 98961 |
| 3 | San Francisco city | 65759 |
| 4 | San Jose city | 40432 |
| 5 | Sacramento city | 30607 |
| 6 | Fresno city | 24496 |
| 7 | Long Beach city | 23115 |
| 8 | Oakland city | 22468 |
| 9 | Huntington Beach city | 21000 |
| 10 | Santa Rosa city | 17650 |
| 11 | Bakersfield city | 17159 |
| 12 | Irvine city | 15391 |
| 13 | Santa Clarita city | 15376 |
| 14 | Riverside city | 15282 |
| 15 | Modesto city | 15217 |
| 16 | Roseville city | 14717 |
| 17 | Carlsbad city | 13872 |
| 18 | Oceanside city | 13430 |
| 19 | Thousand Oaks city | 13136 |
| 20 | Elk Grove city | 11983 |
| 21 | San Buenaventura (Ventura) city | 11727 |
| 22 | Simi Valley city | 11449 |
| 23 | Anaheim city | 11435 |
| 24 | Rancho Cucamonga city | 11293 |
| 25 | Redding city | 10733 |
| 26 | Temecula city | 10694 |
| 27 | Concord city | 10676 |
| 28 | Clovis city | 10443 |
| 29 | Costa Mesa city | 10367 |
| 30 | Torrance city | 10201 |
| 31 | Berkeley city | 10127 |
| 32 | Chico city | 10071 |
| 33 | Citrus Heights city | 10055 |
| 34 | Stockton city | 9866 |
| 35 | Murrieta city | 9781 |
| 36 | Newport Beach city | 9578 |
| 37 | Fremont city | 9573 |
| 38 | Santa Monica city | 9507 |
| 39 | Livermore city | 9494 |
| 40 | Mission Viejo city | 9186 |
| 41 | Orange city | 8886 |
| 42 | Petaluma city | 8654 |
| 43 | Santa Barbara city | 8357 |
| 44 | Fullerton city | 8201 |
| 45 | San Mateo city | 8147 |
| 46 | Escondido city | 8097 |
| 47 | San Clemente city | 8067 |
| 48 | Chula Vista city | 8045 |
| 49 | Encinitas city | 8008 |
| 50 | Burbank city | 8003 |
| 51 | Glendale city | 7983 |
| 52 | Redondo Beach city | 7873 |
| 53 | Arden-Arcade CDP | 7775 |
| 54 | Visalia city | 7621 |
| 55 | San Marcos city | 7606 |
| 56 | Walnut Creek city | 7469 |
| 57 | Camarillo city | 7348 |
| 58 | Folsom city | 7339 |
| 59 | Menifee city | 7305 |
| 60 | Corona city | 7216 |
| 61 | Napa city | 7182 |
| 62 | Vacaville city | 7116 |
| 63 | Carmichael CDP | 7089 |
| 64 | Pasadena city | 7047 |
| 64 | Santa Cruz city | 7047 |
| 65 | Sunnyvale city | 7004 |
| 66 | Vallejo city | 6995 |
| 67 | Manteca city | 6988 |
| 68 | Alameda city | 6960 |
| 69 | Hesperia city | 6769 |
| 70 | Rocklin city | 6763 |
| 71 | Antioch city | 6636 |
| 72 | Santee city | 6554 |
| 73 | San Rafael city | 6538 |
| 74 | Novato city | 6537 |
| 75 | El Cajon city | 6459 |
| 76 | Lancaster city | 6451 |
| 77 | Vista city | 6287 |
| 78 | Lake Forest city | 6218 |
| 79 | Fairfield city | 6206 |
| 80 | Brentwood city | 6075 |
| 81 | San Bernardino city | 6074 |
| 82 | Pleasanton city | 6063 |
| 83 | Yorba Linda city | 6060 |
| 84 | Apple Valley town | 6048 |
| 85 | La Mesa city | 6014 |
| 86 | Laguna Niguel city | 5947 |
| 87 | Upland city | 5909 |
| 88 | San Luis Obispo city | 5871 |
| 89 | Hemet city | 5860 |
| 90 | Martinez city | 5819 |
| 91 | El Dorado Hills CDP | 5771 |
| 92 | Victorville city | 5761 |
| 93 | Garden Grove city | 5713 |
| 94 | Danville town | 5635 |
| 95 | Redlands city | 5585 |
| 96 | Rohnert Park city | 5435 |
| 97 | Santa Clara city | 5400 |
| 98 | Rancho Santa Margarita city | 5345 |
| 99 | Hayward city | 5311 |
| 100 | Davis city | 5266 |
| 101 | Yuba City city | 5141 |
| 102 | Lodi city | 5092 |
| 103 | Tracy city | 5054 |
| 104 | Mountain View city | 5038 |
| 105 | Redwood City city | 5025 |
| 106 | Fontana city | 5000 |
| 107 | Lincoln city | 4920 |
| 108 | Dana Point city | 4864 |
| 109 | Poway city | 4860 |
| 110 | Palm Desert city | 4854 |
| 111 | Santa Ana city | 4782 |
| 112 | Ontario city | 4726 |
| 113 | Pacifica city | 4674 |
| 114 | San Ramon city | 4564 |
| 115 | Yucaipa city | 4550 |
| 116 | Lakewood city | 4514 |
| 117 | Manhattan Beach city | 4506 |
| 118 | Castro Valley CDP | 4398 |
| 119 | Woodland city | 4388 |
| 120 | Aliso Viejo city | 4365 |
| 121 | Palo Alto city | 4324 |
| 122 | Moorpark city | 4287 |
| 123 | Palmdale city | 4286 |
| 124 | Turlock city | 4272 |
| 125 | Rancho Cordova city | 4270 |
| 126 | Lake Elsinore city | 4256 |
| 127 | Orcutt CDP | 4207 |
| 128 | Pleasant Hill city | 4198 |
| 129 | Morgan Hill city | 4116 |
| 130 | San Carlos city | 4098 |
| 131 | Orangevale CDP | 4085 |
| 132 | West Sacramento city | 3991 |
| 133 | Placentia city | 3990 |
| 134 | Oxnard city | 3986 |
| 135 | Glendora city | 3954 |
| 136 | Jurupa Valley city | 3948 |
| 137 | Palm Springs city | 3940 |
| 138 | Moreno Valley city | 3924 |
| 139 | Monterey city | 3877 |
| 140 | El Paso de Robles (Paso Robles) city | 3857 |
| 141 | Chino Hills city | 3824 |
| 142 | Chino city | 3761 |
| 143 | Richmond city | 3724 |
| 144 | Benicia city | 3721 |
| 145 | West Hollywood city | 3700 |
| 146 | Fountain Valley city | 3633 |
| 147 | Fair Oaks CDP | 3608 |
| 148 | Menlo Park city | 3598 |
| 149 | Lafayette city | 3560 |
| 150 | San Leandro city | 3550 |
| 151 | Dublin city | 3518 |
| 152 | Whittier city | 3503 |
| 153 | Atascadero city | 3487 |
| 154 | Laguna Hills city | 3461 |
| 155 | Gilroy city | 3452 |
| 156 | Merced city | 3449 |
| 157 | Ridgecrest city | 3433 |
| 158 | Campbell city | 3418 |
| 159 | Laguna Beach city | 3400 |
| 160 | San Juan Capistrano city | 3380 |
| 161 | Los Gatos town | 3344 |
| 161 | South San Francisco city | 3344 |
| 162 | Coronado city | 3332 |
| 163 | Oakley city | 3258 |
| 164 | French Valley CDP | 3236 |
| 165 | Burlingame city | 3216 |
| 166 | Santa Maria city | 3210 |
| 167 | Seal Beach city | 3173 |
| 168 | La Quinta city | 3134 |
| 169 | Beaumont city | 3112 |
| 170 | Indio city | 3059 |
| 171 | Los Osos CDP | 3057 |
| 172 | Culver City city | 3037 |
| 173 | Orinda city | 3027 |
| 174 | Ladera Ranch CDP | 3021 |
| 175 | Salinas city | 3011 |
| 176 | Altadena CDP | 2990 |
| 177 | Eastern Goleta Valley CDP | 2963 |
| 178 | Tustin city | 2949 |
| 179 | Windsor town | 2945 |
| 180 | Eureka city | 2937 |
| 181 | Rancho Palos Verdes city | 2894 |
| 182 | Granite Bay CDP | 2892 |
| 183 | Claremont city | 2854 |
| 184 | Hanford city | 2838 |
| 185 | Downey city | 2826 |
| 186 | La Verne city | 2814 |
| 187 | Fallbrook CDP | 2784 |
| 188 | West Covina city | 2755 |
| 189 | Oildale CDP | 2747 |
| 190 | San Bruno city | 2746 |
| 191 | Brea city | 2742 |
| 192 | Goleta city | 2732 |
| 193 | Buena Park city | 2692 |
| 194 | Cathedral City city | 2682 |
| 195 | Porterville city | 2672 |
| 196 | Highland city | 2651 |
| 197 | Arroyo Grande city | 2648 |
| 198 | Newark city | 2628 |
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