Nevada State Assembly seat · former district
Nevada Assembly District CLARK 18
20 elections since 1972: Democrats won 20, Republicans 0.
2010 election
Nov 2, 2010- Richard Carrillo (D) · won61.4%
- Ken Walther (R)38.6%
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
Every election for this seat
20 races since 1972. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2002 | |||
| 2010 | Richard Carrillo (D) | Ken Walther (R) | 22.8 |
| 2008 | Mark Manendo (D) | Tim Williams (R) | 42.9 |
| 2006 | Mark Manendo (D) | Ken Jarvis (R) | 37.7 |
| 2004 | Mark Manendo (D) | Kris Munn (R) | 24.5 |
| 2002 | Mark Manendo (D) | Ken Jarvis (R) | 29.5 |
| Lines first used in 1992 | |||
| 2000 | Mark Manendo (D) | — | Unopposed |
| 1998 | Mark Manendo (D) | Patty Slack (R) | 48.4 |
| 1996 | Mark Manendo (D) | Robert W. Groenert (R) | 45.5 |
| 1994 | Mark Manendo (D) | William Allen Petrak (D) | 6.9 |
| 1992 | William Allen Petrak (D) | Robert W. Fay (D) | 30.6 |
| Lines first used in 1982 | |||
| 1990 | William Allen Petrak (D) | George Harris (R) | 5.6 |
| 1988 | Robert W. Fay (D) | George Harris (R) | 12.3 |
| 1986 | Robert W. Fay (D) | Gary Roberts (R) | 12.6 |
| 1984 | Gary Roberts (D) | Dave Thompson (R) | 22.8 |
| 1982 | Robert W. Fay (D) | P. Jarman (R) | 15.6 |
| Lines first used in 1972 | |||
| 1980 | Thomas J. Hickey (D) | J. Wilson (R) | 52.4 |
| 1978 | Thomas J. Hickey (D) | J. Burns (I) | 59.1 |
| 1976 | Thomas J. Hickey (D) | T. K. Mugleston (R) | 68.7 |
| 1974 | Thomas J. Hickey (D) | — | Unopposed |
| 1972 | Thomas J. Hickey (D) | D. W. Wiersig (R) | 39.8 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)