- Should Southern California should be segregated from the rest of California as a new territory named the "Territory of Colorado"?
- Passage required a two-thirds majority.
- No action was taken following the referendum due to the beginning of the Civil War.
|Election Data and Statistics:|
- Source for Popular Vote data: N/A. The Movement for State Division in California, 1849–1860, N/A (www.tshaonline.org/shqonline/apager.php?vol=017&pag=133) (accessed 21 Jul 2010)
|Results for and Individual County:|