Akashic EdgeAKASHIC EDGE
ElectionsCandidates
HistorianCartographer2026 ForecastArticlesAPIPricing

Latest Articles

    View all articles →

    Browse by Category

      Data Tools

      • Elections
      • Candidates
      • The Historian
      • The Cartographer
      • American Nations
      • States & Counties
      • Congressional Districts

      About

      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

      • Data Sources & Methodology
      • Pricing
      • API Documentation
      • Contact

      © 2026 Akashic HQ. All rights reserved.

      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1978/US House/New Jersey/NJ-09
      1978·US House·New Jersey·District profile →

      New Jersey District 9 US House

      Winner
      REP
      Harold C \ Hollenbeck
      48.9%73,478 votes
      Runner-up
      DEM
      Nicholas S Mastorelli
      37.9%56,888 votes
      Margin
      R+11.1
      150,155 total votes
      4 candidates150,155 total votes
      CandidatePartyVotes ▼%Vote Share
      Harold C \ HollenbeckREP✓
      		REP73,47848.9%
      Nicholas S MastorelliDEM
      		DEM56,88837.9%
      Henry HelstoskiIND
      		IND19,12612.7%
      Bruce E ToddOTH
      		OTH6630.4%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+1.1
      Shift vs 2020↓ R+20.0
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202448.0%49.2%R+1.1286,539
      202058.9%40.0%D+18.9315,019
      201660.7%36.7%D+24.0271,833
      201266.3%33.7%D+32.6249,810
      200860.9%38.1%D+22.7261,809

      Seat History

      US House in New Jersey

      2024
      Nellie PouDEM
      D+4.9
      2022
      Bill Pascrell, Jr.DEM
      D+11.4
      Redistricted
      2020
      William J Pascrell Jr.DEM
      D+33.9
      2018
      William J Pascrell Jr.DEM
      D+41.4
      2016
      William J Pascrell Jr.DEM
      D+41.7
      2014
      William J Pascrell Jr.DEM
      D+38.4
      2012
      William J Pascrell Jr.DEM
      D+48.9
      Redistricted
      2010
      Steven R RothmanDEM
      D+22.9
      2008
      Steven R RothmanDEM
      D+36.5
      2006
      Steven R RothmanDEM
      D+43.9
      2004
      Steven R RothmanDEM
      D+35.8
      2002
      Steven R RothmanDEM
      D+39.5
      Redistricted
      2000
      Steven R RothmanDEM
      D+38.0
      1998
      Steven R RothmanDEM
      D+30.8
      1996
      Steven R RothmanDEM
      D+13.6
      View all US House history for New Jersey →

      Candidates

      Harold C \ HollenbeckREP
      Record5W-1L
      Avg MarginR+16.6
      Career1969-1982
      US House / State Senate / State House
      Full profile →
      Henry HelstoskiIND
      Record0W-2L
      Avg Margin---
      Career1976-1978
      US House
      Full profile →
      Bruce E ToddOTH
      Record0W-3L
      Avg MarginR+8.2
      Career1976-1978
      US House / State House
      Full profile →
      Nicholas S MastorelliDEM
      Record0W-1L
      Avg Margin---
      Career1978-1978
      US House
      Full profile →

      Also in New Jersey, 1978

      US Senate1 contest →
      ← All 1978 US House races1978 overviewNew Jersey profileAll elections