Pennington County, South Dakota: roof stress score 45.7 of 100
Pennington County ranks #631 of 1,113 scored counties (moderate stress) and #23 of 41 in South Dakota. Pennington County homes: 71.2% predate 2000, median year 1982. Hail in Pennington County (1 inch or more): 13.0 days a year. Permits in Pennington County ran 94.1 per 1,000 homes, 2014 to 2025.
- 45.7score
- #631nationally
- #23in South Dakota
- 1982median home year
Inputs behind the 45.7
| Input | Pennington County | Median | Stress percentile | In SD |
|---|---|---|---|---|
| Homes built before 2000 | 71.2% | 80.4% | 20 | 21 |
| Severe hail days per year | 13.0 | 2.0 | 100 | 99 |
| New-home permits per 1,000 homes (inverted) | 94.1 | 35.5 | 17 | 28 |
Average of 20, 100 and 17: 45.7
Pennington County on age: 28.8% of homes date from 2000 or later. Pennington County on hail: 156 severe days over 12 full years, 20 of them in 2023. Pennington County on building: 94.1 permits per 1,000 homes; median 35.5.
Pennington County: is your roof past its time?
Pennington County hail days: NOAA 1 inch+ reports
Pennington County homes by decade built
| pre-1940 | 6.6% |
|---|---|
| 1940s | 2.9% |
| 1950s | 12.8% |
| 1960s | 7.7% |
| 1970s | 18.2% |
| 1980s | 11.2% |
| 1990s | 11.9% |
| 2000s | 15.7% |
| 2010s | 11.4% |
| 2020+ | 1.7% |
50,655 housing units. Biggest slice: 1970s, 18.2%. Before 1980: 48.1%. Since 2010: 13.1%.
New-home permits in Pennington County
| 14 | 342 |
|---|---|
| 15 | 344 |
| 16 | 303 |
| 17 | 381 |
| 18 | 334 |
| 19 | 354 |
| 20 | 459 |
| 21 | 509 |
| 22 | 442 |
| 23 | 386 |
| 24 | 447 |
| 25 | 465 |
Pennington County issued 4,766 single-family permits, equal to 9.4% of its 50,655 housing units. Pace: about 433 a year lately, up from 330 a year at the start. Peak: 509 permits in 2021.
Severe hail days in Pennington County, by year
| 14 | 11 |
|---|---|
| 15 | 15 |
| 16 | 18 |
| 17 | 7 |
| 18 | 14 |
| 19 | 13 |
| 20 | 18 |
| 21 | 10 |
| 22 | 13 |
| 23 | 20 |
| 24 | 10 |
| 25 | 7 |
| 26* | 2 |
* partial year. Pennington County: severe days in 12 of 12 full years (worst: 2023, 20 days). Ten biggest storms: Pennington County hail history.
Map of 605 hail reports in Pennington County
Dots mark reports, not storm paths; the 140 largest are drawn.
Pennington County among South Dakota counties
| County | Score | Pre-2000 | Hail days | Permits | Gap |
|---|---|---|---|---|---|
| Pennington County | 45.7 | 71.2% | 13.0 | 94.1 | -0.0 |
1 published. Pennington County on the South Dakota map
Counties scoring near 45.7
| County | Rank | Score | Gap |
|---|---|---|---|
| Oklahoma County, OK | #593 | 47.9 | +2.2 |
| Scott County, IA | #601 | 47.3 | +1.6 |
| Riley County, KS | #618 | 46.2 | +0.5 |
| Genesee County, MI | #633 | 45.6 | -0.1 |
| Santa Fe County, NM | #645 | 45.1 | -0.6 |
| Madison County, IN | #646 | 45.1 | -0.6 |
Why Pennington County lands at 45.7
Pennington County: hail pulls hardest, at the 100th percentile. Age stands at 20, hail at 100, renewal at 17. Your house may differ: the score of Pennington County is not a verdict on one roof.
Pennington County next steps
- Check an address in Pennington County: hail check.
- Compare Pennington County with roof age by city.
- Claim clock after a Pennington County storm: deadlines and date calculator.
- Pennington County roofers we list: Rapid City.
Pennington County data: NOAA (156 severe days), Census ACS (50,655 homes), Census BPS (4,766 permits). Method, limits and common questions