More new Honolulu residents moved from San Diego than from any other county in the United States, and more former Honolulu residents moved to San Diego than anywhere else.

That’s one quick takeaway from Civil Beat‘s analysis of new data put out today by the U.S. Census Bureau. Released in two massive spreadsheets — one sorted by “inflows” and the other by “outflows” — the data shows county-to-county migration trends in recent years between every county in the country. It’s the first time the government has shared this type of geographical mobility information since the 2000 Census.

In all, 17.7 million people lived in a different county than the prior year, according to a press release from the Census Bureau earlier today. The largest number of county-to-county moves in the country were from Los Angeles to San Bernadino, Calif. That estimate of 48,456 was much larger than the number moving from Honolulu to San Diego (2,167) or vice versa (1,953), Civil Beat’s data analysis found.

Residents from Maricopa County, Arizona, were dispersed widest throughout the country, finding their way to 1,156 other counties, while people from 993 different counties found their way to Maricopa. By means of comparison, erstwhile Honolulu residents moved to 563 counties, and 526 different counties had residents move to Honolulu.

The results are based on responses to the American Community Survey. One of the questions the survey asks is whether a person lived in the same home a year earlier; for those who say no, the location of that previous home is collected.

There were some hurdles to clear to put the numbers together, and they come with the caveat of very large margins of error because the sample sizes can be so small. Because many counties have small populations — less than 20,000 — the so-called “migration flows” were based on the five-year American Community Survey dataset covering 2005 through 2009, so the data’s a little old and covers a wide date range.

Still, the findings are telling. Neighbor island residents tend to come from and move to elsewhere within the state. Some are from or have gone to West Coast counties. The list for Honolulu includes some more far-flung locales.

Clark County includes Las Vegas, King County includes Seattle, Bexar County has San Antonio and Duval County has Jacksonville. The likely link between Cumberland County and Honolulu is military — Fort Bragg is there.

Here’s what Civil Beat pulled out of the tables:

New Honolulu Residents

Rank Point of Origin State Estimated Residents
1 San Diego County California 1,953
2 Hawaii (Big Island) County Hawaii 1,880
3 Los Angeles County California 1,521
4 Clark County Nevada 929
5 Maui County Hawaii 819
6 King County Washington 720
7 Bexar County Texas 690
8 Cumberland County North Carolina 642
9 Cochise County Arizona 598
10 Duval County Florida 588

Source: Civil Beat analysis of U.S. Census inflow data

New Big Island Residents

Rank Point of Origin State Estimated Residents
1 Honolulu County Hawaii 1,498
2 King County Washington 411
3 Maui County Hawaii 344
4 Orange County California 329
5 Santa Barbara County California 302

Source: Civil Beat analysis of U.S. Census inflow data

New Kauai Residents

Rank Point of Origin State Estimated Residents
1 Honolulu County Hawaii 478
2 Maui County Hawaii 176
3 Ventura County California 173
4 Los Angeles County California 172
5 Hawaii (Big Island) County Hawaii 126

Source: Civil Beat analysis of U.S. Census inflow data

New Maui Residents

Rank Point of Origin State Estimated Residents
1 Honolulu County Hawaii 1,163
2 Hawaii (Big Island) County Hawaii 510
3 Los Angeles County California 255
4 Orange County California 252
5 Multnomah County Oregon 234

Source: Civil Beat analysis of U.S. Census inflow data

Former Honolulu Residents

Rank New Home State Estimated Residents
1 San Diego County California 2,167
2 Clark County Nevada 1,703
3 Hawaii (Big Island) County Hawaii 1,498
4 Los Angeles County California 1,369
5 King County Washington 1,183
6 Maui County Hawaii 1,163
7 Bexar County Texas 1,062
8 Maricopa County Arizona 1,020
9 Riverside County California 675
10 Orange County California 658

Source: Civil Beat analysis of U.S. Census outflow data

Former Big Island Residents

Rank New Home State Estimated Residents
1 Honolulu County Hawaii 1,880
2 Maui County Hawaii 510
3 Wake County North Carolina 405
4 Los Angeles County California 319
5 San Diego County California 285

Source: Civil Beat analysis of U.S. Census outflow data

Former Kauai Residents

Rank New Home State Estimated Residents
1 Honolulu County Hawaii 403
2 San Diego County California 162
3 Maui County Hawaii 120
4 Clark County Nevada 105
5 Winchester City Virginia 100

Source: Civil Beat analysis of U.S. Census outflow data

Former Maui Residents

Rank New Home State Estimated Residents
1 Honolulu County Hawaii 819
2 Clark County Nevada 664
3 Bexar County Texas 419
4 Los Angeles County California 371
5 Hawaii (Big Island) County Hawaii 344

Source: Civil Beat analysis of U.S. Census outflow data

Read more about the methodology at the Census Bureau website. Download and manipulate the data yourself:

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