Municipality Žirovnica, which is part of the gorenjska statistical region, measures 43 km2; this ranks it 143th among Slovene municipalities.
Statistical data for 2015 reveal the following:
In the middle of 2015 about 4,400 people (about 2,150 men and 2,200 women) were living in the municipality, which ranks Žirovnica 112th among Slovene municipalities. The population density was 103 people per square kilometre, which was higher 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 2.1 (in Slovenia 0.4). 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 0.7. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 2.7 (in Slovenia 0.6).
The mean age of people in Žirovnica was 43.4 years, which was higher than the national average (42.6).
As in most Slovene municipalities, in Žirovnica the number of old people was higher than the number of young people: there were 133 people, aged 65 or more, per 100 people aged 0–14. This ratio shows that the value of the ageing index was higher than the national average of 123. It also shows that the mean age of people in is growing more rapidly 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 Žirovnica – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was the same.
In the school year 2015/2016 basic school in Žirovnica was attended by about 350 pupils, while various upper secondary schools were attended by about 200 pupils. There were 40 students and 10 graduates per 1,000 people in the municipality; in Slovenia the averages were 39 per 1,000 and 9 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 62% were persons in employment (i.e. persons in paid employment or self–employed persons), which is more than the national average (58%).
The registered unemployment rate was 7.5%, which is less than the national average (12.3%). In contrast to most Slovene municipalities, more men than women were unemployed.
In Žirovnica, average monthly gross earnings per person employed by legal persons were about 6% lower than the annual average of monthly earnings for Slovenia; and net earnings
In 2015, there were 355 dwellings per 1,000 population. About 84% of dwellings had at least three rooms. Average size of dwellings in the municipality was 107 m2.
Every other person in Žirovnica had a car (56 passenger cars per 100 population); cars in this municipality were on average 9 years old.
In 2015, 269 kg of municipal waste per person was collected in Žirovnica, which is 46 kg less than on average in Slovenia.