Municipality Velenje, which is part of the Savinjska statistical region, measures 84 km2; this ranks it 83rd among Slovene municipalities.
Statistical data for 2009 reveal the following:
In the middle of 2009 about 33,300 people (about 17,000 men and 16,300 women) were living in the municipality, which ranks Velenje 8th among Slovene municipalities. The population density was 399 people per square kilometre, which was higher 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 muncipality was positive. It was 4.4 (in Slovenia 1.5). 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 -13.3. The sum of natural increase and net migration per 1,000 population in the municipality was negative. It was -8.9 (in Slovenia 7.2).
The mean age of people in Velenje was 40.1 years, which was lower than the national average (41.4 years).
In contrast to most Slovene municipalities, in Velenje the number of young people was higher than the number of old people: there were 90 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 Velenje 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 Velenje – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Velenje had 11 kindergartens. They were attended by 1,145 children or 72% of all children aged 1–5, which was the same as the national average. In the school year 2009/10 elementary schools in Velenje were attended by about 2,600 pupils, while various upper secondary schools were attended by about 1,500 pupils. There were 60 students and 11 graduates per 1,000 people in the municipality; in Slovenia the averages were 56 per 1,000 and 9 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 61% 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 9.9%, which is more than the national average (9.1%). As in most Slovene municipalities, more women than men were unemployed.
In Velenje, average monthly gross earnings per person employed by legal persons were about 13% lower than the annual average of monthly earnings for Slovenia; and net earnings about 11% lower.
Every 13th person in the municipality was receiving at least one financial social assistance. In Slovenia as a whole every 23rd person received at least one financial social assistance.
The value of gross investment in new fixed assets in the municipality (EUR 1,999 per capita) was lower than the national average (EUR 2,564 per capita).
In 2009, there were 366 dwellings per 1,000 population. About 52% of dwellings had at least three rooms. Average size of dwellings in the municipality was 74 m2.
Every other person in Velenje had a car (49 passenger cars per 100 population); cars in this municipality were on average 8 years old.
In 2009, 540 kg of municipal waste per person was collected in Velenje, which is 136 kg more than on average in Slovenia.