Municipality Trnovska vas, which is part of the Podravska statistical region, measures 23 km2; this ranks it 194th among Slovene municipalities.
Statistical data for 2011 reveal the following:
In the middle of 2011 about 1,350 people (about 700 men and 650 women) were living in the municipality, which ranks Trnovska vas 199th among Slovene municipalities. The population density was 59 people per square kilometre, which was lower than the national average of 101 people per square kilometre.
The number of live births was the same as the number of deaths, which means that natural increase per 1,000 population in the municipality was zero (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 4.5. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 4.5 (in Slovenia 2.6).
The mean age of people in Trnovska vas was 39.1 years, which was lower than the national average (41.8).
In contrast to most Slovene municipalities, in Trnovska vas the number of young people was higher than the number of old people: there were 85 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 Trnovska vas 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 Trnovska vas – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Trnovska vas had 1 kindergarten. It was attended by 57 children or 67% of all children aged 1–5, which was less than the national average of 76%. In the school year 2011/2012 basic school in Trnovska vas was attended by about 60 pupils, while various upper secondary schools were attended by about 70 pupils. There were 50 students and 10 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 56% were persons in employment (i.e. persons in paid employment or self-employed persons), which is less than the national average of 58%.
The registered unemployment rate was 9.2%, which is less than the national average (11.8%). In contrast to most Slovene municipalities, more men than women were unemployed.
In Trnovska vas, average monthly gross earnings per person employed by legal persons were about 25% lower than the annual average of monthly earnings for Slovenia; and net earnings about 21% lower.
Every 26th 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 350 dwellings per 1,000 population. About 69% of dwellings had at least three rooms. Average size of dwellings in the municipality was 79 m2.
Every other person in Trnovska vas had a car (49 passenger cars per 100 population); cars in this municipality were on average 10 years old.
In 2011, 198 kg of municipal waste per person was collected in Trnovska vas, which is 154 kg less than on average in Slovenia.