Location map: Treznea
Locality · Sălaj County

Treznea: population and statistics

Treznea has a population of 1,038 (2026) across 37.0 km², or 28.0 people per km². It ranks 3,031 of 3,181 localities by population. Its population is stable: +0.3% between 2016 and 2026.

  • 1,038 residents
  • 37.0 km²
  • 28 people/km²

Key points

Among the 61 localities in Sălaj County, Treznea ranks No. 56 by population.

Companies registered in the last 12 months per 1,000 inhabitants: 0.00 ‰ in Treznea, compared with an average of 2.57 ‰ in Sălaj County and 3.92 ‰ nationally.

Treznea: the most common activity among active businesses is Wholesale trade (except motor vehicles) (15 businesses).

Treznea in numbers

Population (by registered residence)
1,038
ranked 3,031 of 3,181
+0.3%over 10 years
2016–2026
Population density
28people/km²
ranked 2,491 of 3,163
Area
37.0km²
ranked 2,610 of 3,181
Companies registered in the last 12 months per 1,000 inhabitants
0.00‰
ranked 3,005 of 3,163
Existing dwellings
536
ranked 3,101 of 3,181
Education units per 10,000 inhabitants
9.6per 10,000 inh.
ranked 131 of 3,122
Registered unemployed as a share of labour resources (working-age population)
7.4%
ranked 391 of 3,163

Where is Treznea?

Population of Treznea over time

1,0301,0351,0401,0451,0501,055201620182020202220242026
Population, 2016–2026

Treznea had 1,035 residents in 2016 and 1,038 in 2026.

YearPopulation (by registered residence)
20211,044
20221,046
20231,039
20241,034
20251,052
20261,038

Did you know?

All indicators for Treznea

Value for the locality, then the regional average and the national median (for counts: regional and national totals). The gauge places the locality between the lowest and highest value in the country.

TrezneaNational medianHover over or tap a bar to see what it shows.

Population

IndicatorTrezneaSălaj CountyNationalPosition?Rank
People settling in the municipality per 1,000 inhabitants (2025)12.5 ‰14.1 ‰16.0 ‰ranked 2,363 of 3,163
People leaving the municipality per 1,000 inhabitants (2025)21.2 ‰16.3 ‰17.3 ‰ranked 690 of 3,163
Live births per 1,000 inhabitants (2025)4.8 ‰8.8 ‰6.9 ‰ranked 2,589 of 3,157
Deaths per 1,000 inhabitants (2025)10.6 ‰11.4 ‰13.0 ‰ranked 2,324 of 3,163

Housing

IndicatorTrezneaSălaj CountyNationalPosition?Rank
Length of the drinking-water network per 1,000 inhabitants (2025)19.08 km7.56 km7.67 kmranked 186 of 2,728
Building permits for residential buildings per 1,000 inhabitants (2025)7.71 ‰1.93 ‰1.53 ‰ranked 121 of 2,438
Existing dwellings (2025)536109,18210,177,161ranked 3,101 of 3,181
Dwellings per 1,000 inhabitants (2025)516.4 ‰462.4 ‰484.8 ‰ranked 1,239 of 3,163
Average living floor area per dwelling (m²) (2025)72.5 m²52.2 m²50.3 m²ranked 109 of 3,163

Economy

IndicatorTrezneaSălaj CountyNationalPosition?Rank
Active companies in the trade register per 1,000 inhabitants (2026)32.8 ‰41.7 ‰29.4 ‰ranked 1,323 of 3,163
Companies registered in the last 12 months per 1,000 inhabitants (2026)0.00 ‰2.57 ‰2.10 ‰ranked 3,005 of 3,163

Employment

IndicatorTrezneaSălaj CountyNationalPosition?Rank
Average number of employees per 1,000 inhabitants (2024)85 ‰223 ‰71 ‰ranked 1,271 of 3,163
Registered unemployed as a share of labour resources (working-age population) (2026)7.4%4.0%2.3%ranked 391 of 3,163

Environment

IndicatorTrezneaSălaj CountyNationalPosition?Rank
Drinking water distributed per inhabitant (m³) (2025)27.0 m³35.4 m³27.2 m³ranked 1,343 of 2,656

Education

IndicatorTrezneaSălaj CountyNationalPosition?Rank
School population (children, pupils and students) per 1,000 inhabitants (2025)102 ‰154 ‰91 ‰ranked 1,185 of 3,158
Education units per 10,000 inhabitants (2025)9.6 per 10,000 inh.4.4 per 10,000 inh.3.6 per 10,000 inh.ranked 131 of 3,122

Businesses by activity: Treznea

Active businesses in the business register with a recorded activity, by section and by activity (NACE Rev. 2). Only activities with at least 3 businesses are shown.

By industry section

Most common activities

Frequently asked questions

What is the population of Treznea?

Treznea has 1,038 residents (2026), ranking 3,031 of 3,181 localities.

How big is Treznea?

Treznea covers 37.0 km², with a density of 28 people per km².

Is the population of Treznea growing?

Between 2016 and 2026, the population of Treznea went from 1,035 to 1,038, a change of +0.3%.

Where is Treznea?

Treznea is in Sălaj County. Latitude 47.105, longitude 23.075.

Companies registered in the last 12 months per 1,000 inhabitants: what is the figure for Treznea?

In Treznea, “Companies registered in the last 12 months per 1,000 inhabitants” stands at 0.00 ‰ (2026), ranking 3,005 of 3,163 localities; the national median is 2.10 ‰.

Existing dwellings: what is the figure for Treznea?

In Treznea, “Existing dwellings” stands at 536 (2025), ranking 3,101 of 3,181 localities; the national median is 1,464.

Which localities border Treznea?

The nearest to Treznea are Agrij (6.3 km), Românași (7.2 km), Meseșenii de Jos (8.6 km), Buciumi (8.9 km), Zalău (9.7 km).