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2011

Colorado · year

Colorado in 2011

Deaths 447Fatal crashes 407Per 100,000 8.7US deaths 32,479

FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Final FARS file for 2011.

In 2011, 447 people died in 407 fatal crashes in Colorado, 8.7 deaths per 100,000 residents against 10.4 nationally.

The death toll was about level between 2010 (450) and 2011 (447).

Colorado accounted for 1.4% of the 32,479 crash deaths recorded nationally that year.

36.4% of the state's fatal crashes that year had at least one driver reported as drinking.

31% of the crashes happened between noon to 6pm; Saturday was the most common day.

Compared with 2010 and the nation

MeasureColorado 2011Colorado 2010United States 2011
Deaths44745032,479
Fatal crashes40741129,867
Deaths per 100,000 residents8.78.910.4
Crashes with a drinking driver36%31%31%

Counties in 2011

Every county with a fatal crash in 2011, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 54 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
El Paso County40435.7721
Weld County34369.7569
Denver County31334.5608
Jefferson County30325.5478
Adams County25295.3635
Arapahoe County26274.0501
Pueblo County232414.1290
Larimer County22225.9352
Mesa County171911.8181
Boulder County17175.1255
Douglas County11123.0207
La Plata County61119.497
Fremont County9918.077
Summit County8825.941
Otero County6844.531
Cheyenne County38467.320
Garfield County7711.1101
Chaffee County5733.738
Delta County5618.651
Montezuma County5518.652
Eagle County447.451
Montrose County448.961
Alamosa County3424.031
Lincoln County3471.539
Moffat County3430.423
Rio Blanco County1–2460.518
Archuleta County3321.328
Elbert County3310.239
Gunnison County3317.345
Huerfano County3342.936
Kit Carson County3342.438
Park County3316.453
Pitkin County3318.018
Prowers County3325.124
Routt County3311.941
Washington County3362.934
Yuma County3329.923
Morgan County1–239.978
Baca County1–21–2—23
Clear Creek County1–21–2—32
Conejos County1–21–2—15
Grand County1–21–2—31
Las Animas County1–21–2—34
Logan County1–21–2—55
Saguache County1–21–2—33
Costilla County1–21–2—24
Broomfield County1–21–2—35
Custer County1–21–2—17
Gilpin County1–21–2—8
Hinsdale County1–21–2—6
Mineral County1–21–2—23
Rio Grande County1–21–2—21
San Miguel County1–21–2—20
Teller County1–21–2—27

Per 100,000 uses the 2024 population estimate for every year, so early-year rates are understated where a county has grown.

Hour of day

12am2.9%
1am3.4%
2am4.7%
3am2.9%
4am2%
5am2.2%
6am3.2%
7am2.9%
8am2.2%
9am3.4%
10am3.4%
11am4.2%
12pm3.7%
1pm3.7%
2pm5.4%
3pm4.7%
4pm6.9%
5pm6.9%
6pm4.7%
7pm5.9%
8pm6.9%
9pm4.4%
10pm4.9%
11pm4.4%

Weekday

Sunday17%
Monday12%
Tuesday12%
Wednesday12%
Thursday11%
Friday14%
Saturday22%

Questions and answers

How many people died in crashes in Colorado in 2011?

447 people in 407 fatal crashes, according to NHTSA's FARS 2011 file, or 8.7 per 100,000 residents.

Which county in Colorado had the most crash deaths in 2011?

El Paso County with 43 deaths in 40 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2011 compare with 2010 in Colorado?

447 deaths against 450 in 2010 (+-1%). Nationally the 2011 total was 32,479.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2011 national file (accident table); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.