The proportion of households in <a href="https://en.wikipedia.org/wiki/Holyoke" class="extiw" title="w:Holyoke">Holyoke</a>, <a href="https://en.wikipedia.org/wiki/Springfield,_Massachusetts" class="extiw" title="w:Springfield, Massachusetts">Springfield</a>, and surrounding towns in the <a href="https://en.wikipedia.org/wiki/Pioneer_Valley" class="extiw" title="w:Pioneer Valley">Pioneer Valley</a> as estimated by the <a href="https://en.wikipedia.org/wiki/American_Community_Survey" class="extiw" title="w:American Community Survey">American Community Survey</a> in 2016. US Census defines this metric as the percentage of all ACS occupied housing units where a Spanish or Spanish Creole language was assigned as the household language and no one ages 14 years and over speaks English only or speaks English 'very well'.
<p><br>
The block groups with the highest proportions lie within Holyoke at the <a href="https://en.wikipedia.org/wiki/Churchill,_Holyoke,_Massachusetts" class="extiw" title="w:Churchill, Holyoke, Massachusetts">Churchill</a> (54.2%), and <a href="https://en.wikipedia.org/wiki/South_Holyoke,_Holyoke,_Massachusetts" class="extiw" title="w:South Holyoke, Holyoke, Massachusetts">South Holyoke</a> (52.5%) neighborhoods; whereas the block group with the highest proportion in Springfield lies in the <a href="https://en.wikipedia.org/wiki/Memorial_Square,_Springfield,_Massachusetts" class="extiw" title="w:Memorial Square, Springfield, Massachusetts">Memorial Square</a> (49.8%) area.
</p><p><b>Proportion of households with residents speaking Spanish or Spanish Creole (2016)</b>
</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:#0c1078;color:#202122;text-align:center;"> </div> 0.325–0.542</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:#204b91;color:#202122;text-align:center;"> </div> 0.25–0.325</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:#1a93ab;color:#202122;text-align:center;"> </div> 0.175–0.25</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:#3db868;color:#202122;text-align:center;"> </div> 0.10–0.175</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:#38e009;color:#202122;text-align:center;"> </div> 0.05–0.10</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:#a1f24b;color:#202122;text-align:center;"> </div> 0.018–0.05</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:#ffffbe;color:#202122;text-align:center;"> </div> 0</div>
<a href="https://en.wikipedia.org/wiki/User:Simtropolitan" class="extiw" title="w:User:Simtropolitan">User<i><b>:</b></i>Simtropolitan</a>
Own work; data derived from US Census ACS_5YR_2016 data for percent of households with Spanish and Spanish Creole speakers, by block group