The 2013 Colorado Health Access Survey, a biennial survey by the Colorado Trust and Colorado Health Institute, asks Colorado residents for their views on a variety of health issues. For the major questions, it breaks out results by 21 regions. The most populous counties are self-contained regions, while others are a combination of contiguous counties.

Here is a look at what the survey found for some of the counties and regions along Colorado’s Front Range:

Douglas

The county had the lowest rate of uninsured residents in the state in 2013 at 5.4 percent. That’s down from 7.3 percent in 2011, when it was also the lowest rate in the state.

The county also had among the highest use of the medical system by its residents. The survey found 83 percent of residents went to a dentist in the past year, 86 percent visited a health-care facility and 20 percent sought treatment in an emergency room.

The survey found that 95.5 percent of residents said they were in excellent health, the highest percentage in the state, and about 95 percent said they were in good mental health, among the highest rates in the state.

More than 80 percent of county residents believed the health-care system met their family’s needs and 54 percent felt the system met most Coloradans’ health needs. Those were among the highest rates in the state.

Arapahoe

The percentage of uninsured residents jumped from 12 percent to 17 percent between 2011 and 2013, the survey found. As a result, the county’s uninsured rate went from lower than the state average to above the state average in two years.

The survey found that 71 percent of residents went to a dentist in the previous year, 77.5 percent visited a health-care facility and 19 percent sought treatment in an emergency room, all close to the state averages for medical visits.

About 87 percent of residents said they were in excellent health and 88 percent said they were in good mental health.

The survey found that 68.5 percent of residents believe the health care system met their family’s needs, but only about 45 percent felt it met the needs of most Coloradans.

Jefferson

The percentage of uninsured residents in the county plunged to about 12 percent, one of the lowest rates in the state. That is down from 17 percent in 2011, when it was higher than the state average.

The survey found 66 percent of residents saw a dentist in the past year, 81 percent visited a health-care facility and 18 percent visited an emergency room, mirroring the statewide rates.

About 86 percent of the county’s residents said they were in excellent health and about 90 percent reported they were in good mental health.

The survey found 69 percent felt the health-care system met their family’s needs, compared with only 44 percent who thought it met the needs of most Coloradans.

Adams

The survey found that about 15 percent of Adams County residents did not have health insurance, slightly higher than the statewide figure of 14.3 percent. However, that was significantly lower than the 21 percent in 2011, the last time the survey was conducted.

The survey found that 62 percent of residents visited a dentist in the past year, 76 percent went to a health-care facility and 23 percent visited an emergency room. All three rates were near the state average for medical visits.

As far as their health status, about 83 percent said they were in excellent health and 86 percent said they had good mental health.

About 62 percent of county residents believed the present health care system met their family’s needs, compared with 42 percent who thought the system met most Coloradans’ needs.

El Paso County

The percentage of uninsured residents edged up slightly to about 13 percent from about 12.5 percent between 2011 and 2013, but remained one of lowest in the state among counties and regions.

The survey found that about 68 percent of residents had visited a dentist in the past 12 months, 83 percent had gone to a health care facility and 22 percent had gone to the emergency room. All but dental visits were above the state averages.

As far as their health status, 89 percent said they were in excellent health and 89 percent said they had good mental health, on par with statewide percentages.

El Paso County residents felt better about the overall health care system than they did in 2011. The survey found that 76.5 percent said it met their family’s needs, up from 67.5 percent in 2011, and 43 percent said they believed it met most Coloradans’ health-care needs, up from 39.5 percent in 2011.

Denver

The percentage of uninsured residents in Denver fell between 2011 and 2013, but remained one of the highest rates in the state. A total of about 18 percent of Denver residents did not have health insurance in 2013, compared to 21 percent in 2011.

The survey also found that 62 percent of residents saw a dentist in the prior year, 73 percent went to a health-care facility and 19 percent sought treatment in an emergency room. Those rates were all lower than the statewide figures.

About 86 percent of the city’s residents said they were in excellent health and 85.5 percent said they were in good mental health.

The survey found that 65 percent of city residents felt the health care system met their family’s needs, compared with 43 percent who believed it met the needs of most Coloradans.