Municipality Kranj, which is part of the Gorenjska statistical region, measures 151 km2; this ranks it 39th among Slovene municipalities.
Statistical data for 2013 reveal the following:
In the middle of 2013 about 55,550 people (about 27,450 men and 28,100 women) were living in the municipality, which ranks Kranj 3rd among Slovene municipalities. The population density was 368 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 4.3 (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 -2.4. The sum of natural increase and net migration per 1,000 population in the municipality was positive. It was 1.9 (in Slovenia 1.1).
The mean age of people in Kranj was 41.5 years, which was lower than the national average (42.2).
As in most Slovene municipalities, in Kranj the number of old people was higher than the number of young people: there were 110 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 Kranj 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 Kranj – as in most Slovene municipalities – more women were 65+ years old than 14 or less; for men the situation was exactly the opposite.
Kranj had 29 kindergarten. They were attended by 2,352 children or 70% of all children aged 1–5, which was less than the national average of 75%. In the school year 2013/2014 basic schools in Kranj were attended by about 4,660 pupils, while various upper secondary schools were attended by about 2,080 pupils. There were 40 students and 9 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 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 11.4%, which is less than the national average (13.1%). As in most Slovene municipalities, more women than men were unemployed.
In Kranj, average monthly gross earnings per person employed by legal persons were about 3% higher than the annual average of monthly earnings for Slovenia; and net earnings about 3% higher.
In 2013, there were 379 dwellings per 1,000 population. About 60% of dwellings had at least three rooms. Average size of dwellings in the municipality was 80 m2.
Every other person in Kranj had a car (51 passenger cars per 100 population); cars in this municipality were on average 9 years old.
In 2013, 308 kg of municipal waste per person was collected in Kranj, which is 12 kg less than on average in Slovenia.