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The Johnson Siding CDP(1) had a population of 622 as of July 1, 2025.
The primary coordinate point for Johnson Siding is located at latitude 44.0847 and longitude -103.438 in Pennington County. The formal boundaries for the Johnson Siding Census Designated Place encompass a land area of 3.73 sq. miles and a water area of 0 sq. miles. Pennington County is in the Mountain time zone (GMT -7).
The Johnson Siding Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
The Johnson Siding Census Designated Place is located within Unorganized Territory of Mount Rushmore, a minor civil division (MCD) of Pennington County.
POPULATION | |
---|---|
Total Population | 622 (100%) |
Population in Households | 622 (100.0%) |
Population in Families | 486 (78.1%) |
Population in Group Quarters1 | 0 |
Population Density | 167 |
Diversity Index2 | 29 |
INCOME | |
Median Household Income | $111,220 |
Average Household Income | $126,006 |
% of Income for Mortgage4 | 26% |
Per Capita Income | $61,180 |
Wealth Index5 | 124 |
Socioeconomic Status Index6 | High (72.7) |
HOUSING | |
---|---|
Total HU (Housing Units) | 347 (100%) |
Owner Occupied HU | 273 (78.7%) |
Renter Occupied HU | 29 ( 8.4%) |
Vacant Housing Units | 45 (13.0%) |
Median Home Value | $462,121 |
Average Home Value | $595,824 |
Housing Affordability Index3 | 86 |
HOUSEHOLDS | |
Total Households | 302 |
Average Household Size | 2.06 |
Family Households | 192 |
Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
---|---|---|
Population | 0.25% | 0.10% |
Households | 0.58% | 0.33% |
Families | 1.22% | |
Median Household Income | -0.11% | |
Per Capita Income | 1.72% | |
Owner Occupied HU | 0.58% |
The table below compares Johnson Siding to the other 485 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
Variable Description | Rank | Percentile |
---|---|---|
Total Population | # 123 | 75th |
Population Density | # 334 | 31st |
Median Household Income | # 38 | 92nd |
Housing Affordability Index | # 283 | 58th |
Per Capita Income | # 38 | 92nd |
Diversity Index | # 140 | 72nd |
Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.
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