Jefferson County, Alabama: roof stress score 50.8 of 100

Jefferson County ranks #555 of 1,113 scored counties (moderate stress) and #2 of 21 in Alabama. Jefferson County homes: 80.1% predate 2000, median year 1975. Hail in Jefferson County (1 inch or more): 2.6 days a year. Permits in Jefferson County ran 57.8 per 1,000 homes, 2014 to 2025.

Jefferson County very high (top 10%)high (next 20%)moderate (middle 40%)lower (bottom 30%)

Inputs behind the 50.8

InputJefferson CountyMedianStress percentileIn AL
Homes built before 2000 80.1%80.4% 49 79
Severe hail days per year 2.62.0 71 93
New-home permits per 1,000 homes (inverted) 57.835.5 33 26

Average of 49, 71 and 33: 50.8

Jefferson County on age: 80.1% of homes were built before 2000. Jefferson County on hail: 31 severe days over 12 full years, 4 of them in 2024. Jefferson County on building: 57.8 permits per 1,000 homes; median 35.5.

Jefferson County: is your roof past its time?




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Jefferson County hail days: NOAA 1 inch+ reports

Jefferson County homes by decade built

309,542 housing units by decade built 9.9% pre-1940 5.4% 1940s 12.9% 1950s 13.2% 1960s 16.7% 1970s 10.9% 1980s 11.2% 1990s 11.7% 2000s 7.6% 2010s 0.7% 2020+
309,542 housing units by decade built
pre-19409.9%
1940s5.4%
1950s12.9%
1960s13.2%
1970s16.7%
1980s10.9%
1990s11.2%
2000s11.7%
2010s7.6%
2020+0.7%

309,542 housing units. Biggest slice: 1970s, 16.7%. Before 1980: 58.1%. Since 2010: 8.3%.

New-home permits in Jefferson County

17,888 single-family permits by year 1298 14 1348 15 1463 16 1408 17 1390 18 1625 19 1537 20 1572 21 1517 22 1602 23 1536 24 1592 25
17,888 single-family permits by year
141298
151348
161463
171408
181390
191625
201537
211572
221517
231602
241536
251592

Jefferson County issued 17,888 single-family permits, equal to 5.8% of its 309,542 housing units. Pace: about 1577 a year lately, up from 1370 a year at the start. Peak: 1625 permits in 2019.

Severe hail days in Jefferson County, by year

Jefferson County severe days per year 1 14 3 15 2 16 4 17 2 18 1 19 3 20 4 21 2 22 2 23 4 24 3 25 1 26*
Jefferson County severe days per year
141
153
162
174
182
191
203
214
222
232
244
253
26*1

* partial year. Jefferson County: severe days in 12 of 12 full years (worst: 2024, 4 days).

Map of 46 hail reports in Jefferson County

1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1.1 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.5 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail2 in hail2.5 in hail Hoover
1 to 1.74 in1.75 to 2.74 in2.75 in and up

Dots mark reports, not storm paths.

Jefferson County among Alabama counties

CountyScorePre-2000Hail daysPermitsGap
Jefferson County50.880.1%2.657.8+0.0
Mobile County42.579.6%1.954.8-8.3
Etowah County40.882.8%1.227.4-10.0

3 published. Jefferson County on the Alabama map

Counties scoring near 50.8

CountyRankScoreGap
Montgomery County, OH#54851.2+0.4
Black Hawk County, IA#55250.9+0.1
Buffalo County, NE#55450.8+0.0
Greene County, MO#55850.4-0.4
Tulsa County, OK#56150.1-0.7
Lucas County, OH#56549.7-1.1

Why Jefferson County lands at 50.8

Jefferson County: hail pulls hardest, at the 71th percentile. Age stands at 49, hail at 71, renewal at 33. Your house may differ: the score of Jefferson County is not a verdict on one roof.

Jefferson County next steps

  1. Check an address in Jefferson County: hail check.
  2. Compare Jefferson County with roof age by city.
  3. Claim clock after a Jefferson County storm: deadlines and date calculator.
  4. Jefferson County roofers we list: Hoover.

Jefferson County data: NOAA (31 severe days), Census ACS (309,542 homes), Census BPS (17,888 permits). Method, limits and common questions