Jefferson County, Colorado: roof stress score 59.5 of 100
Jefferson County ranks #365 of 1,113 scored counties (moderate stress) and #13 of 26 in Colorado. Jefferson County homes: 81.1% predate 2000, median year 1980. Hail in Jefferson County (1 inch or more): 3.5 days a year. Permits in Jefferson County ran 50.8 per 1,000 homes, 2014 to 2025.
- 59.5score
- #365nationally
- #13in Colorado
- 1980median home year
Inputs behind the 59.5
| Input | Jefferson County | Median | Stress percentile | In CO |
|---|---|---|---|---|
| Homes built before 2000 | 81.1% | 80.4% | 52 | 52 |
| Severe hail days per year | 3.5 | 2.0 | 88 | 40 |
| New-home permits per 1,000 homes (inverted) | 50.8 | 35.5 | 38 | 52 |
Average of 52, 88 and 38: 59.5
Jefferson County on age: 81.1% of homes were built before 2000. Jefferson County on hail: 42 severe days over 12 full years, 9 of them in 2014. Jefferson County on building: 50.8 permits per 1,000 homes; median 35.5.
Jefferson County: is your roof past its time?
Jefferson County hail days: NOAA 1 inch+ reports
Jefferson County homes by decade built
| pre-1940 | 3.0% |
|---|---|
| 1940s | 2.0% |
| 1950s | 8.7% |
| 1960s | 12.4% |
| 1970s | 24.8% |
| 1980s | 16.3% |
| 1990s | 13.9% |
| 2000s | 9.8% |
| 2010s | 8.0% |
| 2020+ | 1.1% |
251,183 housing units. Biggest slice: 1970s, 24.8%. Before 1980: 51.0%. Since 2010: 9.1%.
New-home permits in Jefferson County
| 14 | 1120 |
|---|---|
| 15 | 1410 |
| 16 | 1510 |
| 17 | 1222 |
| 18 | 1008 |
| 19 | 787 |
| 20 | 823 |
| 21 | 1073 |
| 22 | 1074 |
| 23 | 983 |
| 24 | 932 |
| 25 | 810 |
Jefferson County issued 12,752 single-family permits, equal to 5.1% of its 251,183 housing units. Pace: about 908 a year lately, down from 1347 a year at the start. Peak: 1510 permits in 2016.
Severe hail days in Jefferson County, by year
| 14 | 9 |
|---|---|
| 15 | 5 |
| 16 | 3 |
| 17 | 1 |
| 18 | 6 |
| 19 | 4 |
| 20 | 1 |
| 21 | 2 |
| 22 | 1 |
| 23 | 6 |
| 24 | 2 |
| 25 | 2 |
| 26* | 3 |
* partial year. Jefferson County: severe days in 12 of 12 full years (worst: 2014, 9 days). Ten biggest storms: Jefferson County hail history.
Map of 171 hail reports in Jefferson County
Dots mark reports, not storm paths; the 140 largest are drawn.
Jefferson County among Colorado counties
| County | Score | Pre-2000 | Hail days | Permits | Gap |
|---|---|---|---|---|---|
| Jefferson County | 59.5 | 81.1% | 3.5 | 50.8 | -0.0 |
| Pueblo County | 56.0 | 78.6% | 4.6 | 62.3 | -3.5 |
2 published. Jefferson County on the Colorado map
Counties scoring near 59.5
| County | Rank | Score | Gap |
|---|---|---|---|
| Potter County, TX | #344 | 60.4 | +0.9 |
| Pottawattamie County, IA | #354 | 60.0 | +0.5 |
| Vigo County, IN | #358 | 59.9 | +0.4 |
| St. Joseph County, IN | #402 | 57.7 | -1.8 |
| Hall County, NE | #404 | 57.3 | -2.2 |
| Sedgwick County, KS | #405 | 57.3 | -2.2 |
Why Jefferson County lands at 59.5
Jefferson County: hail pulls hardest, at the 88th percentile. Age stands at 52, hail at 88, renewal at 38. Your house may differ: the score of Jefferson County is not a verdict on one roof.
Jefferson County next steps
- Check an address in Jefferson County: hail check.
- Compare Jefferson County with roof age by city.
- Jefferson County roofers we list: Arvada.
Jefferson County data: NOAA (42 severe days), Census ACS (251,183 homes), Census BPS (12,752 permits). Method, limits and common questions