| Election Name: | New York States Senate 34th District Democratic primaries |
| Country: | New York |
| Type: | legislative |
| Vote Type: | Popular |
| Party Name: | Democratic |
| Election Date: | September 9th |
| Turnout: | 42% |
| Colour1: | 663399 |
| Candidate1: | Jeffrey Klein |
| Party1: | Independent Democrat |
| Alliance1: | Independent Democratic Conference |
| Leader Since1: | 2010 |
| Popular Vote1: | 8,258 |
| Colour2: | 1464F4 |
| Candidate2: | Oliver Koppell |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 4,107 |
the 2014 New York State Senate 34th District Democratic primary was fought between incumbent Jeffrey Klein and challenger Oliver Koppell.
Former NY Attorney General, and City Council rep Oliver Koppell announced that he would stop the Independent Democratic Conference (IDC), led by Klein; by winning his seat. Soon after, more people such as John Liu joined Koppell in his attempts to defeat the IDC by running for state senate in their own districts.[1] NY governor candidate Zephyr Teachout endorsed Koppell.
In the first 5 minutes of the election, Koppell trailed Klein just 4 votes.
At 10:50 PM Eastern Standard time, Koppell conceded to Klein with 33% of the votes in.
Jeff Klein saw a landslide win against Koppell in the East Bronx, by over 1,000 votes.
Oliver Koppell took Riverdale by just 400 votes.
Klein took South Westchester by 600 votes.