Municipality Sveti Tomaž, which is part of the Podravska statistical region, measures 38 km2; this ranks it 152th among Slovene municipalities.
Statistical data for 2012 reveal the following:
In the middle of 2012 about 2,100 people (about 1,050 men and 1,050 women) were living in the municipality, which ranks Sveti Tomaž 182th among Slovene municipalities. The population density was 55 people per square kilometre, which was lower than the national average of 101 people per square kilometre.
The number of live births was lower than the number of deaths, which means that natural increase per 1,000 population in the municipality was negative. It was -1.9 (in Slovenia 1.3). 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 0.5. The sum of natural increase and net migration per 1,000 population in the municipality was negative. It was -1.4 (in Slovenia 1.6).
The mean age of people in Sveti Tomaž was 41.5 years, which was lower than the national average (42).
As in most Slovene municipalities, in Sveti Tomaž the number of old people was higher than the number of young people: there were 113 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 Sveti Tomaž 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 Sveti Tomaž – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Sveti Tomaž had 1 kindergarten. It was attended by 63 children or 66% of all children aged 1–5, which was less than the national average of 75%. In the school year 2012/2013 basic school in Sveti Tomaž was attended by about 180 pupils, while various upper secondary schools were attended by about 80 pupils. There were 40 students and 6 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 59% 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 13.9%, which is more than the national average (12%). As in most Slovene municipalities, more women than men were unemployed.
In Sveti Tomaž, average monthly gross earnings per person employed by legal persons were about 4% lower than the annual average of monthly earnings for Slovenia; and net earnings about 1% lower.
In 2012, there were 426 dwellings per 1,000 population. About 57% of dwellings had at least three rooms. Average size of dwellings in the municipality was 79 m2.
Every other person in Sveti Tomaž had a car (47 passenger cars per 100 population); cars in this municipality were on average 10 years old.
In 2012, 122 kg of municipal waste per person was collected in Sveti Tomaž, which is 205 kg less than on average in Slovenia.