# America's biggest move: 34,872 people from Los Angeles to San Bernardino

Published 2026-11-07 · By Pushbuild · Data: [US County Migration API – IRS Moves In and Out of Every County](https://pushbuild.com/apis/us-county-migration.html)

**34,872**America's biggest move · as of 2026-11-07

**The largest single county-to-county flow in 2022-23 was Los Angeles to San Bernardino, 34,872 people.** Six of the top ten were within Texas metros, among them Harris to Fort Bend and Montgomery, Dallas to Tarrant and Collin, and Travis to Williamson.

| From | To | People | Income moved ($M) |
| --- | --- | --- | --- |
| Los Angeles County, CA | San Bernardino County, CA | 34,872 | 1,152 |
| Los Angeles County, CA | Orange County, CA | 31,420 | 2,039 |
| Harris County, TX | Fort Bend County, TX | 29,268 | 1,012 |
| Miami-Dade County, FL | Broward County, FL | 29,098 | 1,248 |
| Dallas County, TX | Tarrant County, TX | 25,211 | 945 |
| Harris County, TX | Montgomery County, TX | 25,206 | 1,110 |
| Orange County, CA | Los Angeles County, CA | 23,952 | 1,325 |
| Dallas County, TX | Collin County, TX | 23,376 | 1,182 |
| Travis County, TX | Williamson County, TX | 21,819 | 1,156 |
| Fort Bend County, TX | Harris County, TX | 21,458 | 900 |
| San Bernardino County, CA | Riverside County, CA | 20,775 | 688 |
| Maricopa County, AZ | Pinal County, AZ | 20,751 | 714 |
| Los Angeles County, CA | Riverside County, CA | 20,742 | 875 |
| Queens County, NY | Nassau County, NY | 20,494 | 985 |
| Kings County, NY | Queens County, NY | 19,144 | 734 |

## Caveats

One year of moves (2022 to 2023 tax filings); the CSV lists the 25 largest flows.

## Sources

- [IRS Statistics of Income, migration data](https://www.irs.gov/statistics/soi-tax-stats-migration-data), read through the Pushbuild [US County Migration API](https://pushbuild.com/apis/us-county-migration.html) on 2026-11-07

Data as of 2026-11-07. Every figure in this post is in the table above and the CSV below.

Download the data behind this post: [b3-migration-largest-county-to-county-flows-2022-23.csv](https://pushbuild.com/apis/analysis/data/b3-migration-largest-county-to-county-flows-2022-23.csv)

## Get this data

Every number in this post comes from the [US County Migration API – IRS Moves In and Out of Every County](https://pushbuild.com/apis/us-county-migration.html). $0.0008 per row returned; every key gets $1 of free usage each month.

```
curl -X POST https://api.pushbuild.com/us-county-migration/run \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"county": "Travis", "state": "TX", "maxItems": 20}'
```

[API docs and key](https://pushbuild.com/apis/us-county-migration.html)[More analysis from this data](https://pushbuild.com/apis/analysis/api/us-county-migration/)Embed this chart

Free to reuse with the credit link. Paste this HTML into your page, or use the [SVG file](https://pushbuild.com/apis/analysis/largest-county-to-county-moves/chart.svg).

Want a table like this in Google Sheets, refreshed on demand? Free script: [copy a web table into Google Sheets](https://pushbuild.com/free/scripts/website-table-to-sheets/).

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Header photo: [Serg Bataiev servika](https://commons.wikimedia.org/wiki/File:Suburban_neighborhood_(Unsplash).jpg), CC0, via Wikimedia Commons.

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As of 2026-11-07. Source: https://pushbuild.com/apis/analysis/largest-county-to-county-moves/