Municipality Sveta Trojica v Slov. goricah, which is part of the Podravska statistical region, measures 26 km2; this ranks it 188th among Slovene municipalities.
Statistical data for 2011 reveal the following:
In the middle of 2011 about 2,100 people (about 1,050 men and 1,050 women) were living in the municipality, which ranks Sveta Trojica v Slov. goricah 182nd among Slovene municipalities. The population density was 81 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 1.6). 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 4.3. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 2.4 (in Slovenia 2.6).
The mean age of people in Sveta Trojica v Slov. goricah was 41.3 years, which was lower than the national average (41.8).
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 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 117. It also shows that the mean age of people in Sveta Trojica v Slov. goricah 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 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 57 children or 80% of all children aged 1–5, which was more than the national average of 76%. In the school year 2011/2012 basic school in Sveta Trojica v Slov. goricah was attended by about 180 pupils, while various upper secondary schools were attended by about 90 pupils. There were 50 students and 11 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 58% 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 9.4%, which is less than the national average (11.8%). As in most Slovene municipalities, more women than men were unemployed.
In Sveta Trojica v Slov. goricah, 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 10% lower.
Every 27th 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 373 dwellings per 1,000 population. About 77% of dwellings had at least three rooms. Average size of dwellings in the municipality was 99 m2.
About every other person in Sveta Trojica v Slov. goricah had a car (53 passenger cars per 100 population); cars in this municipality were on average 10 years old.
In 2011, 188 kg of municipal waste per person was collected in Sveta Trojica v Slov. goricah, which is 164 kg less than on average in Slovenia.