<p>Summary of party change of U.S. house seats in the 1974 House election. Stripes indicate a tie between the gains of two or more parties.<br><br>
Legend:<br></p>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#00f;color:#202122;text-align:center;"> </div> 6+ Democratic seat pickup</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#09f;color:#202122;text-align:center;"> </div> 3-5 Democratic seat pickup</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#0ff;color:#202122;text-align:center;"> </div> 1-2 Democratic seat pickup</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#f99;color:#202122;text-align:center;"> </div> 1-2 Republican seat pickup</div> 
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#f66;color:#202122;text-align:center;"> </div> 3-5 Republican seat pickup</div> 
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#f00;color:#202122;text-align:center;"> </div> 6+ Republican seat pickup</div> <br>
Note: years ending in 2 may have inconsistent results due to redistricting.
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