Largest households in California

California counties and cities ranked by average household size.

This page ranks the counties and cities of California by average household size — which have the largest average household size, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Imperial County leads at 3.51.

Among cities & places, Calpine leads at 8.30.

Counties

#	Name	Avg household size
1	Imperial County	3.51
2	Alpine County	3.42
3	Madera County	3.42
4	Merced County	3.32
5	Tulare County	3.31
6	San Benito County	3.25
7	San Bernardino County	3.21
8	Kings County	3.19
9	San Joaquin County	3.19
10	Riverside County	3.17
11	Monterey County	3.16
12	Kern County	3.15
13	Stanislaus County	3.10
14	Fresno County	3.08
15	Ventura County	2.97
16	Sutter County	2.95
17	Glenn County	2.91
18	Yuba County	2.91
19	Orange County	2.90
20	Trinity County	2.90
21	Colusa County	2.89
22	Los Angeles County	2.85
23	Santa Clara County	2.85
24	Santa Barbara County	2.83
25	Solano County	2.83
26	Contra Costa County	2.79
27	San Mateo County	2.77
28	Sacramento County	2.74
29	San Diego County	2.74
30	Alameda County	2.73
31	Yolo County	2.72
32	Napa County	2.66
33	Lassen County	2.64
34	Tehama County	2.63
35	Placer County	2.62
36	Santa Cruz County	2.60
37	Del Norte County	2.59
38	Mendocino County	2.56
39	Lake County	2.55
40	Calaveras County	2.54
41	El Dorado County	2.51
42	Sonoma County	2.50
43	Shasta County	2.49
44	Modoc County	2.48
45	Butte County	2.47
46	San Luis Obispo County	2.45
47	Marin County	2.44
48	Nevada County	2.41
49	Humboldt County	2.39
50	Plumas County	2.39
51	Amador County	2.35
52	Mono County	2.30
53	Inyo County	2.28
54	Siskiyou County	2.27
55	Tuolumne County	2.26
56	San Francisco County	2.24
57	Sierra County	2.18
58	Mariposa County	2.01

Cities & places

Top 100.

#	Name	Avg household size
1	Calpine	8.30
2	Potrero	6.71
3	Monterey Park Tract	6.55
4	Nubieber	6.27
5	Delft Colony	6.21
6	Clipper Mills	6.20
7	La Vina	6.18
8	Westside	6.10
9	Bear Creek	5.92
10	New Pine Creek	5.61
11	El Rancho	5.52
12	Mount Hebron	5.46
13	Bodega	5.40
14	El Adobe	5.38
15	Ducor	5.36
16	West Goshen	5.32
17	Williams Canyon	4.91
18	Fields Landing	4.88
19	Tonyville	4.79
20	Topaz	4.70
21	Parklawn	4.67
22	Lewiston	4.64
23	Parksdale	4.64
24	Bowles	4.63
25	Linnell Camp	4.61
26	Martell	4.58
27	West Park	4.58
28	Westley	4.56
29	Greenfield	4.54
30	Monmouth	4.54
31	Stratford	4.54
32	Valinda	4.54
33	Romoland	4.52
34	London	4.51
35	Mead Valley	4.50
36	Castroville	4.47
37	Bret Harte	4.45
38	Woodville	4.45
39	Alpaugh	4.44
40	Rexland Acres	4.43
41	East Porterville	4.39
42	Heber	4.38
43	Idlewild	4.38
44	Muscoy	4.38
45	Arvin	4.37
46	Pajaro	4.37
47	Strathmore	4.35
48	Las Lomas	4.34
49	Boronda	4.33
50	Plainview	4.33
51	San Ardo	4.33
52	Calwa	4.32
53	Mesa Vista	4.32
54	Richgrove	4.32
55	Teviston	4.32
56	Potomac Park	4.31
57	San Lucas	4.31
58	San Joaquin	4.30
59	South San Jose Hills	4.28
60	Earlimart	4.27
61	Hood	4.27
62	Stebbins	4.27
63	East Orosi	4.26
64	West Puente Valley	4.26
65	Armona	4.25
66	Florence-Graham	4.25
67	El Monte Mobile Village	4.24
68	Pixley	4.23
69	Allensworth	4.22
70	Lakeview	4.22
71	Tipton	4.21
72	Livingston	4.20
73	Riverdale Park	4.19
74	Victor	4.17
75	Home Garden	4.16
76	Seville	4.15
77	Petaluma Center	4.14
78	Sultana	4.13
79	Lynwood	4.12
80	Cowan	4.11
81	River Pines	4.11
82	Perris	4.08
83	Sheridan	4.08
84	Walnut Park	4.08
85	East Rancho Dominguez	4.06
86	Old River	4.06
87	South Monrovia Island	4.06
88	Parlier	4.05
89	King City	4.03
90	Tuttletown	4.03
91	Biola	4.02
92	Cantua Creek	4.02
93	Greenfield	4.01
94	Orosi	4.01
95	Soledad	4.01
96	La Puente	4.00
97	Mendota	4.00
98	Bloomington	3.98
99	Chualar	3.98
100	Home Gardens	3.98

Nationwide

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Largest households in California

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