Municipality Žužemberk, which is part of the Jugovzhodna Slovenija statistical region, measures 164 km2; this ranks it 32th among Slovene municipalities.
Statistical data for 2012 reveal the following:
In the middle of 2012 about 4,550 people (about 2,300 men and 2,250 women) were living in the municipality, which ranks Žužemberk 110th among Slovene municipalities. The population density was 28 people per square kilometre, which was lower than the national average of 101 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 2.6 (in Slovenia 1.3). The number of people who moved from the municipality was higher than the number of people who moved into the municipality, so net migration per 1,000 population in the municipality was negative. It was -2.2. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 0.4 (in Slovenia 1.6).
The mean age of people in Žužemberk was 39.8 years, which was lower than the national average (42).
In contrast to most Slovene municipalities, in Žužemberk the number of young people was higher than the number of old people: there were 94 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 118. It also shows that the mean age of people in Žužemberk 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 Žužemberk – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Žužemberk had 5 kindergartens. They were attended by 207 children or 79% of all children aged 1–5, which was more than the national average of 75%. In the school year 2012/2013 basic schools in Žužemberk were attended by about 400 pupils, while various upper secondary schools were attended by about 250 pupils. There were 60 students and 10 graduates per 1,000 people in the municipality; in Slovenia the averages were 47 per 1,000 and 10 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 of 57%.
The registered unemployment rate was 10.1%, which is less than the national average (12%). In contrast to most Slovene municipalities, more men than women were unemployed.
In Žužemberk, average monthly gross earnings per person employed by legal persons were about 19% lower than the annual average of monthly earnings for Slovenia; and net earnings about 16% lower.
In 2012, there were 474 dwellings per 1,000 population. About 58% of dwellings had at least three rooms. Average size of dwellings in the municipality was 83 m2.
About every other person in Žužemberk had a car (53 passenger cars per 100 population); cars in this municipality were on average 9 years old.
In 2012, 272 kg of municipal waste per person was collected in Žužemberk, which is 55 kg less than on average in Slovenia.