Municipality Straža, which is part of the Jugovzhodna Slovenija statistical region, measures 29 km2; this ranks it 184th among Slovene municipalities.

Statistical data for 2013 reveal the following:

In the middle of 2013 about 3,850 people (about 1,900 men and 1,950 women) were living in the municipality, which ranks Straža 132nd among Slovene municipalities. The population density was 136 people per square kilometre, which was higher than the national average of 102 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 3.9 (in Slovenia 0.9). 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 -16.8. The sum of natural increase and net migration per 1,000 population in the municipality was negative. It was -12.9 (in Slovenia 1.1).

The mean age of people in Straža was 41.2 years, which was lower than the national average (42.2).

In contrast to most Slovene municipalities, in Straža the number of young people was higher than the number of old people: there were 94 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 119. It also shows that the mean age of people in Straža 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 Straža – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.

Straža had 1 kindergarten. It was attended by 163 children or 87% of all children aged 1–5, which was more than the national average of 75%. In the school year 2013/2014 basic school in Straža was attended by about 300 pupils, while various upper secondary schools were attended by about 150 pupils. There were 50 students and 12 graduates per 1,000 people in the municipality; in Slovenia the averages were 44 per 1,000 and 9 per 1,000, respectively.

Among people aged 15–64 (i.e. working age population) about 57% 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 13.7%, which is more than the national average (13.1%). In contrast to most Slovene municipalities, the same number of men as women were unemployed.

In Straža, average monthly gross earnings per person employed by legal persons were about 14% lower than the annual average of monthly earnings for Slovenia; and net earnings about 12% lower.

In 2013, there were 361 dwellings per 1,000 population. About 63% of dwellings had at least three rooms. Average size of dwellings in the municipality was 89 m2.

About every other person in Straža had a car (51 passenger cars per 100 population); cars in this municipality were on average 8 years old.

In 2013, 247 kg of municipal waste per person was collected in Straža, which is 73 kg less than on average in Slovenia.