Municipality Horjul, which is part of the Osrednjeslovenska statistical region, measures 33 km2; this ranks it 168th among Slovene municipalities.
Statistical data for 2008 reveal the following:
At the end of 2008 about 2,800 people (about 1,400 men and 1,400 women) were living in the municipality, which ranks Horjul 158th among Slovene municipalities. The population density was 87 people per square kilometre, which was lower than the national average of 100 people per square kilometre.
The number of live births was the same as the number of deaths, which means that natural increase per 1,000 population in the municipality was zero (in Slovenia 1.7). 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 10.6. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 10.6 (in Slovenia 10.9).
The mean age of people in Horjul was 39.6 years, which was lower than the national average (41.3 years).
In contrast to most Slovene municipalities, in Horjul the number of young people was higher than the number of old people: there were 99 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 Horjul 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 Horjul – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Horjul had 1 kindergarten. It was attended by 118 children. Of all children aged 1–5, 65% were included in kindergartens, which was less than the national average of 70%. In the school year 2008/09 elementary school in Horjul was attended by about 280 pupils. About 140 pupils from the municipality attended various secondary schools. There were 70 students and 7 graduates per 1,000 people in the municipality; in Slovenia the averages were 55 per 1,000 and 8 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 69% were persons in employment (i.e. persons in paid employment or self-employed persons), which is more than the national average of 62%.
The registered unemployment rate was 2.7%, which is less than the national average (6.7%). As in most Slovene municipalities, more women than men were unemployed.
In Horjul, average monthly gross earnings per person employed by legal persons were about 7% lower than the annual average of monthly earnings for Slovenia; and net earnings about 6% lower.
Every 283th person in the municipality was receiving at least one financial social assistance. In Slovenia as a whole every 28th person received at least one financial social assistance.
The value of gross investment in new fixed assets in the municipality (EUR 1,159 per capita) was lower than the national average (EUR 3,165 EUR per capita).
In 2008, there were 310 dwellings per 1,000 population. About 69% of dwellings had at least three rooms. Average size of dwellings in the municipality was 92 m2.
About every other person in Horjul had a car (54 passenger cars per 100 population); cars in this municipality were on average 8 years old.
In 2008, 438 kg of municipal waste per person was collected in Horjul, which is 19 kg more than on average in Slovenia.