Municipality Domžale, which is part of the Osrednjeslovenska statistical region, measures 72 km2; this ranks it 97th among Slovene municipalities.
Statistical data for 2016 reveal the following:
In the middle of 2016 about 35,460 people (about 17,420 men and 18,040 women) were living in the municipality, which ranks Domžale 7th among Slovene municipalities. The population density was 490 people per square kilometre, which was higher than the national average 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 3.5 (in Slovenia 0.3). 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 3.2. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 6.7 (in Slovenia 0.8).
The mean age of people in Domžale was 40.7 years, which was lower than the national average (42.9).
in contrast to most Slovene municipalities, in Domžale the number of young people was higher than the number of old people: there were 95 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 125. It also shows that the mean age of people in Domžale 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 Domžale – in contrast to most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
In the school year 2016/2017 basic schools in Domžale were attended by about 3,730 pupils, while various upper secondary schools were attended by about 1,390 pupils. There were 43 students and 15 graduates per 1,000 people in the municipality; in Slovenia the averages were 39 per 1,000 and 15 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 64% were persons in employment (i.e. persons in paid employment or self-employed persons), which is more than national average (60%).
The registered unemployment rate was 8.4%, which is less than the national average (11.2%). In contrast to most Slovene municipalities, enako brezposelnih moških kot žensk were unemployed.
In Domžale, average monthly gross earnings per person employed by legal persons were about 8% lower than the annual average of monthly earnings for Slovenia; and net earnings about 6% lower.
In 2015, there were 353 dwellings per 1,000 population. About 66% of dwellings had at least three rooms. Average size of dwellings in the municipality was 87 m2.
Every other person in Domžale had a car (53 passenger cars per 100 population); cars in this municipality were on average 9 years old.
In 2016, 375 kg of municipal waste per person was collected in Domžale, which is 28 kg more than on average in Slovenia.