6 civil union licenses were issued in Weld County on May 1, 2013, the first day on which civil unions became legal in Colorado.
2 civil union licenses were issued in Chaffee County on May 1, 2013, the first day on which civil unions became legal in Colorado.
2 civil union licenses were issued in Douglas County on May 1, 2013, the first day on which civil unions became legal in Colorado.
30 civil union licenses were issued in Larimer County on May 1, 2013, the first day on which civil unions became legal in Colorado.
2 civil union licenses were issued in Pitkin County on May 1, 2013, the first day on which civil unions became legal in Colorado.
1 civil union licenses were issued in Routt County on May 1, 2013, the first day on which civil unions became legal in Colorado.
At least 1 civil union license was issued in Mesa County on May 1, 2013, the first day on which civil unions became legal in Colorado.
As of May 5, 2013, only one civil union has been registered with Montezuma County, Colorado. Source: Montezuma County Clerk & Recorder's office.
I do not have real-time data on the number of civil unions registered in Jefferson County, Colorado. You may want to contact the Jefferson County Clerk's office for this specific information.
About 12 civil union licenses were issued in EL Paso County on May 1, 2013, the first day on which civil unions became legal in Colorado.
At least 205 civil unions have been registered in Colorado as of March 2014, and that figure comes from only Boulder County, so the actual number is likely much higher.
About 190 civil unions were registered in Madison County, IL.
As of May 2014, there has been no official data, nor any press account, published concerning the number of civil unions formed in this county.