Municipality Šentjur, which is part of the Savinjska statistical region, measures 222 km2; this ranks it 23rd among Slovene municipalities.
Statistical data for 2011 reveal the following:
In the middle of 2011 about 18,900 people (about 9,400 men and 9,500 women) were living in the municipality, which ranks Šentjur 22nd among Slovene municipalities. The population density was 85 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 1.3 (in Slovenia 1.6). 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 -0.9. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 0.4 (in Slovenia 2.6).
The mean age of people in Šentjur was 40.8 years, which was lower than the national average (41.8).
As in most Slovene municipalities, in Šentjur the number of old people was higher than the number of young people: there were 101 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 117. It also shows that the mean age of people in Šentjur 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 Šentjur – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Šentjur had 11 kindergartens. They were attended by 701 children or 73% of all children aged 1–5, which was less than the national average of 76%. In the school year 2011/2012 basic schools in Šentjur were attended by about 1,610 pupils, while various upper secondary schools were attended by about 820 pupils. There were 50 students and 12 graduates per 1,000 people in the municipality; in Slovenia the averages were 51 per 1,000 and 10 per 1,000, respectively.
Among people aged 15–64 (i.e. working age population) about 60% were persons in employment (i.e. persons in paid employment or self-employed persons), which is more than the national average of 58%.
The registered unemployment rate was 10.8%, which is less than the national average (11.8%). As in most Slovene municipalities, more women than men were unemployed.
In Šentjur, average monthly gross earnings per person employed by legal persons were about 15% lower than the annual average of monthly earnings for Slovenia; and net earnings about 12% lower.
Every 22nd person in the municipality was receiving at least one financial social assistance. In Slovenia as a whole every 24th person received at least one financial social assistance.
In 2011, there were 394 dwellings per 1,000 population. About 64% of dwellings had at least three rooms. Average size of dwellings in the municipality was 80 m2.
About every other person in Šentjur had a car (53 passenger cars per 100 population); cars in this municipality were on average 9 years old.
In 2011, 280 kg of municipal waste per person was collected in Šentjur, which is 72 kg less than on average in Slovenia.