Eureka, SD Historical Household and Family Data
ACS 2010-2014 data
Total population: 879
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 417, 100% | 327,101 | 116,211,092 |
| Average Household Size | 1.91, see rank | 2.45 | 2.63 |
| 1 Person Households | 182, 43.65%, see rank | 29.47% | 27.57% |
| 2 or More Person Households | 235, 56.35%, see rank | 70.53% | 72.43% |
| Family Households (Families) | 224, 53.72%, see rank | 64.44% | 66.22% |
| Average Family Size | 2.67, see rank | 3.11 | 3.32 |
| Married-Couple Family | 181, 43.41%, see rank | 50.30% | 48.42% |
| Nonfamily Households | 193, 46.28%, see rank | 35.56% | 33.78% |
US Census 2010 data
Total population: 868
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 452, 100% | 322,282 | 116,716,292 |
| Average Household Size | 1.80, see rank | 2.42 | 2.58 |
| 1 Person Households | 205, 45.35%, see rank | 29.36% | 26.74% |
| 2 or More Person Households | 247, 54.65%, see rank | 70.64% | 73.26% |
| Family Households (Families) | 240, 53.10%, see rank | 64.22% | 66.43% |
| Average Family Size | 2.45, see rank | 3.00 | 3.14 |
| Married-Couple Family | 197, 43.58%, see rank | 50.15% | 48.42% |
| Nonfamily Households | 212, 46.90%, see rank | 35.78% | 33.57% |
ACS 2008-2012 data
Total population: 883
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 420, 100% | 320,467 | 115,226,802 |
| Average Household Size | 1.95, see rank | 2.44 | 2.61 |
| 1 Person Households | 188, 44.76%, see rank | 29.39% | 27.45% |
| 2 or More Person Households | 232, 55.24%, see rank | 70.61% | 72.55% |
| Family Households (Families) | 229, 54.52%, see rank | 64.82% | 66.47% |
| Average Family Size | 2.72, see rank | 3.10 | 3.29 |
| Married-Couple Family | 203, 48.33%, see rank | 50.99% | 48.97% |
| Nonfamily Households | 191, 45.48%, see rank | 35.18% | 33.53% |
ACS 2006-2010 data
Total population: 969
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 499, 100% | 315,468 | 114,235,996 |
| Average Household Size | 1.92, see rank | 2.43 | 2.59 |
| 1 Person Households | 249, 49.90%, see rank | 29.03% | 27.24% |
| 2 or More Person Households | 250, 50.10%, see rank | 70.97% | 72.76% |
| Family Households (Families) | 244, 48.90%, see rank | 65.26% | 66.75% |
| Average Family Size | 2.84, see rank | 3.07 | 3.25 |
| Married-Couple Family | 206, 41.28%, see rank | 51.99% | 49.60% |
| Nonfamily Households | 255, 51.10%, see rank | 34.74% | 33.25% |
ACS 2005-2009 data
Total population: 845
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 493, 100% | 314,674 | 112,611,029 |
| Average Household Size | 1.69, see rank | 2.43 | 2.60 |
| 1 Person Households | 265, 53.75%, see rank | 29.03% | 27.32% |
| 2 or More Person Households | 228, 46.25%, see rank | 70.97% | 72.68% |
| Family Households (Families) | 225, 45.64%, see rank | 65.18% | 66.67% |
| Average Family Size | 2.52, see rank | 3.08 | 3.27 |
| Married-Couple Family | 201, 40.77%, see rank | 51.82% | 49.71% |
| Nonfamily Households | 268, 54.36%, see rank | 34.82% | 33.33% |
US Census 2000 data
Total population: 1,101
| Eureka, SD | South Dakota | U.S. | |
| Total Households | 528, 100% | 290,245 | 105,480,101 |
| Average Household Size | 1.96, see rank | 2.50 | 2.59 |
| 1 Person Households | 220, 41.67%, see rank | 27.58% | 25.82% |
| 2 or More Person Households | 308, 58.33%, see rank | 72.42% | 74.18% |
| Family Households (Families) | 296, 56.06%, see rank | 66.95% | 68.06% |
| Average Family Size | 2.64, see rank | 3.07 | 3.14 |
| Married-Couple Family | 267, 50.57%, see rank | 54.23% | 51.66% |
| Nonfamily Households | 232, 43.94%, see rank | 33.05% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.