Ranking of California Counties By Net Migration Rate per 1K in 2023

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2023, the Net Migration Rate per 1K for California was -1.31. Among all California counties, Placer County had the highest net migration rate (15.32), followed by Madera County (13.93), and Amador County (13.06).

The chart below shows the top 10 counties, and the table below shows the ranking of all California counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of California Counties By Net Migration Rate per 1K in 2023
Placer
Madera
Amador
Yuba
Tuolumne
Mono
San Joaquin
Riverside
Calaveras
San Francisco
Ranking of California Counties By Net Migration Rate per 1K in 2023
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Rank County Net Migration Rate
1 Placer County 15.32
2 Madera County 13.93
3 Amador County 13.06
4 Yuba County 10.48
5 Tuolumne County 9.4
6 Mono County 8.53
7 San Joaquin County 8.5
8 Riverside County 6.92
9 Calaveras County 5.89
10 San Francisco County 5.6
11 San Benito County 4.03
12 Santa Clara County 3.21
13 Shasta County 2.99
14 Merced County 2.59
15 Colusa County 2.41
16 Butte County 2.22
17 Solano County 1.48
18 Nevada County 1.1
19 Sacramento County 0.92
20 Lake County 0.5
21 Sonoma County 0.35
22 San Luis Obispo County -0.39
23 Contra Costa County -0.69
24 Trinity County -0.7
25 San Mateo County -0.71
26 Modoc County -0.81
27 Stanislaus County -0.87
28 Mariposa County -1.35
29 Tulare County -1.48
30 Imperial County -1.5
31 San Bernardino County -1.73
32 El Dorado County -1.76
33 Alameda County -2.05
34 Del Norte County -2.44
35 Fresno County -2.65
36 Kings County -2.79
37 San Diego County -2.95
38 Tehama County -3.26
39 Sierra County -3.44
40 Yolo County -3.71
41 Orange County -3.81
42 Humboldt County -4.04
43 Los Angeles County -4.07
44 Sutter County -4.67
45 Ventura County -4.7
46 Mendocino County -5.43
47 Kern County -5.46
48 Marin County -5.67
49 Napa County -6.54
50 Inyo County -7.35
51 Glenn County -7.78
52 Monterey County -8.12
53 Santa Barbara County -9.19
54 Santa Cruz County -9.29
55 Siskiyou County -12.07
56 Plumas County -12.09
57 Alpine County -28.76
58 Lassen County -53.48