Municipality Sveta Trojica v Slov. goricah, which is part of the Podravska statistical region, measures 26 km2; this ranks it 189th 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 Sveta Trojica v Slov. goricah 181th among Slovene municipalities. The population density was 82 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 0.5 (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 -9. The sum of natural increase and net migration per 1,000 population in the municipality was negative. It was -8.5 (in Slovenia 1.6).
The mean age of people in Sveta Trojica v Slov. goricah was 41.6 years, which was lower than the national average (42).
As in most Slovene municipalities, in Sveta Trojica v Slov. goricah the number of old people was higher than the number of young people: there were 124 people, aged 65 or more, per 100 people aged 0–14. This ratio shows that the value of the ageing index was higher than the national average of 118. It also shows that the mean age of people in Sveta Trojica v Slov. goricah is growing more rapidly 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 Sveta Trojica v Slov. goricah – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Sveta Trojica v Slov. goricah had 1 kindergarten. It was attended by 67 children or 90% of all children aged 1–5, which was more than the national average of 75%. In the school year 2012/2013 basic school in Sveta Trojica v Slov. goricah was attended by about 160 pupils, while various upper secondary schools were attended by about 100 pupils. There were 50 students and 8 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 58% 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 8.7%, which is less than the national average (12%). In contrast to most Slovene municipalities, more men than women were unemployed.
In Sveta Trojica v Slov. goricah, average monthly gross earnings per person employed by legal persons were about 12% lower than the annual average of monthly earnings for Slovenia; and net earnings about 8% lower.
In 2012, there were 379 dwellings per 1,000 population. About 77% of dwellings had at least three rooms. Average size of dwellings in the municipality was 100 m2.
About every other person in Sveta Trojica v Slov. goricah had a car (56 passenger cars per 100 population); cars in this municipality were on average 10 years old.
In 2012, 198 kg of municipal waste per person was collected in Sveta Trojica v Slov. goricah, which is 129 kg less than on average in Slovenia.