Municipality Dobrna, which is part of the Savinjska statistical region, measures 32 km2; this ranks it 172nd among Slovene municipalities.
Statistical data for 2013 reveal the following:
In the middle of 2013 about 2,200 people (about 1,100 men and 1,100 women) were living in the municipality, which ranks Dobrna 177th among Slovene municipalities. The population density was 69 people per square kilometre, which was lower than the national average of 102 people per square kilometre.
The number of live births was higher than the number of deaths, which means that natural increase per 1,000 population in the municipality was positive. It was 2.3 (in Slovenia 0.9). The number of people who moved from the municipality was lower than the number of people who moved into the municipality, so net migration per 1,000 population in the municipality was positive. It was 7.3. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 9.6 (in Slovenia 1.1).
The mean age of people in Dobrna was 40.6 years, which was lower than the national average (42.2).
As in most Slovene municipalities, in Dobrna the number of old people was higher than the number of young people: there were 102 people, aged 65 or more, per 100 people aged 0–14. This ratio shows that the value of the ageing index was lower than the national average of 119. It also shows that the mean age of people in Dobrna is growing more slowly than in Slovenia as a whole. Data by sex show that the ageing index for women was in all Slovene municipalities higher than the ageing index for men. In Dobrna – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Dobrna had 1 kindergarten. It was attended by 103 children or 79% of all children aged 1–5, which was more than the national average of 75%. In the school year 2013/2014 basic school in Dobrna was attended by about 190 pupils, while various upper secondary schools were attended by about 100 pupils. There were 40 students and 8 graduates per 1,000 people in the municipality; in Slovenia the averages were 44 per 1,000 and 9 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 57% were persons in employment (i.e. persons in paid employment or self-employed persons), which is the same as the national average.
The registered unemployment rate was 10.2%, which is less than the national average (13.1%). As in most Slovene municipalities, more women than men were unemployed.
In Dobrna, average monthly gross earnings per person employed by legal persons were about 15% lower than the annual average of monthly earnings for Slovenia; and net earnings about 12% lower.
In 2013, there were 388 dwellings per 1,000 population. About 60% of dwellings had at least three rooms. Average size of dwellings in the municipality was 81 m2.
Every other person in Dobrna had a car (49 passenger cars per 100 population); cars in this municipality were on average 10 years old.
In 2013, 294 kg of municipal waste per person was collected in Dobrna, which is 26 kg less than on average in Slovenia.