2010 Important Election Dates
The full 2010 statewide elections calendar is available from the Colorado Secretary of State.
| Date | Day of Week | Event |
|---|---|---|
| March 16 | Tuesday | Precinct Caucus Day |
| March 29 | Monday | First day to circulate major/minor party candidate petitions for the Primary Election. |
| April 30 | Friday | Earliest day an unaffiliated candidate may circulate a petition for county, district, state and federal offices for the General Election. |
| May 27 | Thursday | Last Day to file major/minor party candidate petitions for the Primary Election. |
| June 15 | Tuesday | Last Day to file an unaffiliated candidate nomination petition for the General Election. |
| July 12 | Monday |
|
| July 19 | Monday | First day allowed by statute for the designated election official to send mail or mail-in ballot packets to eligible voters for the Primary Election. Excludes UOCAVA |
| July 23 | Friday | Last day for a political subdivision to notify the County Clerk in writing if it has taken formal action to participate in the General Election. |
| August 3 | Tuesday | Last day to apply for a mail-in ballot for the Primary Election if the elector wishes to receive their ballot by mail. |
| August 10 | Tuesday | PRIMARY ELECTION. Polls open 7:00 a.m. to 7:00 p.m. |
| August 18 | Wednesday |
|
| August 23 | Monday | Last day for the County Board of Canvassers to prepare official Abstract of Votes for the Primary Election. Election results are not official until this time. |
| August 24 | Tuesday | Last day to file an affidavit of intent to run as a write-in candidate for the General Election. |
| September 17 | Friday | Last day to file pro/con comments pertaining to local ballot issues with the designated election official in order to be included in the ballot issue notice. |
| October 4 | Monday | Last day to register to vote for the General Election. |
| October 12 | Tuesday | First day allowed by statute for the designated election official to send mail-in ballot packets to voters with mail-in requests. Excludes UOCAVA |
| October 26 | Tuesday | Last day to apply for a mail-in ballot for the General Election if the elector wishes to receive their ballot by mail. |
| November 2 | Tuesday | GENERAL ELECTION. Polls open 7:00 a.m. to 7:00 p.m. |
| November 10 | Wednesday |
|
| November 19 | Friday | Last day for the County Board of Canvassers to prepare official Abstract of Votes for the General Election. Election results are not official until this time. |
