Location map: Dej
Locality · Cluj County

Dej: population and statistics

Dej has a population of 35,981 (2026) across 108.9 km², or 330 people per km². It ranks 63 of 3,181 localities by population. Its population is falling: −7.7% between 2016 and 2026.

  • 35,981 residents
  • 108.9 km²
  • 330 people/km²

Key points

Among the 81 localities in Cluj County, Dej ranks No. 4 by population.

School population (children, pupils and students) per 1,000 inhabitants: 196 ‰ in Dej, compared with an average of 245 ‰ in Cluj County and 163 ‰ nationally.

Dej: the most common activity among active businesses is Retail trade (except motor vehicles) (890 businesses).

Dej in numbers

Population (by registered residence)
35,981
ranked 63 of 3,181
−7.7%over 10 years
2016–2026
Population density
330people/km²
ranked 143 of 3,163
Area
109km²
ranked 497 of 3,181
Existing dwellings
15,778
ranked 67 of 3,181
School population (children, pupils and students) per 1,000 inhabitants
196‰
ranked 129 of 3,158
Doctors per 1,000 inhabitants
3.11‰
ranked 155 of 2,833
Active companies in the trade register per 1,000 inhabitants
64.6‰
ranked 229 of 3,163

Where is Dej?

Population of Dej over time

35,00036,00037,00038,00039,000201620182020202220242026
Population, 2016–2026

Dej had 38,990 residents in 2016 and 35,981 in 2026.

YearPopulation (by registered residence)
202137,665
202237,243
202336,916
202436,530
202536,168
202635,981

Did you know?

All indicators for Dej

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.

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

Population

IndicatorDejCluj CountyNationalPosition?Rank
People settling in the municipality per 1,000 inhabitants (2025)13.6 ‰22.3 ‰16.0 ‰ranked 2,131 of 3,163
People leaving the municipality per 1,000 inhabitants (2025)15.1 ‰18.2 ‰17.3 ‰ranked 2,121 of 3,163
Live births per 1,000 inhabitants (2025)6.3 ‰7.8 ‰6.9 ‰ranked 1,881 of 3,157
Deaths per 1,000 inhabitants (2025)10.7 ‰10.3 ‰13.0 ‰ranked 2,295 of 3,163

Housing

IndicatorDejCluj CountyNationalPosition?Rank
Length of the drinking-water network per 1,000 inhabitants (2025)3.87 km4.84 km7.67 kmranked 2,279 of 2,728
Building permits for residential buildings per 1,000 inhabitants (2025)1.97 ‰1.77 ‰1.53 ‰ranked 974 of 2,438
Existing dwellings (2025)15,778385,06110,177,161ranked 67 of 3,181
Dwellings per 1,000 inhabitants (2025)438.5 ‰515.2 ‰484.8 ‰ranked 2,177 of 3,163
Average living floor area per dwelling (m²) (2025)52.6 m²49.4 m²50.3 m²ranked 1,301 of 3,163
Dwellings completed in the year per 1,000 inhabitants (2025)2.64 ‰5.13 ‰1.30 ‰ranked 461 of 1,926

Energy

IndicatorDejCluj CountyNationalPosition?Rank
Length of the gas distribution network per 1,000 inhabitants (2025)4.04 km4.12 km6.17 kmranked 737 of 1,006
Natural gas distributed per inhabitant (m³) (2025)431 m³15,508 m³325,688 m³ranked 227 of 1,023

Economy

IndicatorDejCluj CountyNationalPosition?Rank
Active companies in the trade register per 1,000 inhabitants (2026)64.6 ‰97.8 ‰29.4 ‰ranked 229 of 3,163
Companies registered in the last 12 months per 1,000 inhabitants (2026)3.89 ‰6.06 ‰2.10 ‰ranked 535 of 3,163

Employment

IndicatorDejCluj CountyNationalPosition?Rank
Average number of employees per 1,000 inhabitants (2024)243 ‰349 ‰71 ‰ranked 307 of 3,163
Registered unemployed as a share of labour resources (working-age population) (2026)1.3%1.2%2.3%ranked 2,207 of 3,163

Tourism

IndicatorDejCluj CountyNationalPosition?Rank
Tourist overnight stays per inhabitant (2025)0.4 nights1.80.4ranked 582 of 1,250
Tourist arrivals per 1,000 inhabitants (2025)215 ‰1,010 ‰200 ‰ranked 612 of 1,250
Tourist accommodation places per 1,000 inhabitants (2025)8.6 ‰26.1 ‰11.8 ‰ranked 830 of 1,362

Environment

IndicatorDejCluj CountyNationalPosition?Rank
Drinking water distributed per inhabitant (m³) (2025)42.9 m³49.3 m³27.2 m³ranked 575 of 2,656
Length of the sewer network per 1,000 inhabitants (2025)4.13 km3.32 km4.05 kmranked 828 of 1,695

Health

IndicatorDejCluj CountyNationalPosition?Rank
Doctors per 1,000 inhabitants (2024)3.11 ‰6.15 ‰0.52 ‰ranked 155 of 2,833
Family doctors per 1,000 inhabitants (2024)0.42 ‰0.66 ‰0.46 ‰ranked 1,647 of 2,807
Pharmacists per 1,000 inhabitants (2024)0.61 ‰1.50 ‰0.47 ‰ranked 738 of 2,248

Education

IndicatorDejCluj CountyNationalPosition?Rank
School population (children, pupils and students) per 1,000 inhabitants (2025)196 ‰245 ‰91 ‰ranked 129 of 3,158
Education units per 10,000 inhabitants (2025)3.9 per 10,000 inh.3.7 per 10,000 inh.3.6 per 10,000 inh.ranked 1,351 of 3,122

Businesses by activity: Dej

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 Dej?

Dej has 35,981 residents (2026), ranking 63 of 3,181 localities.

How big is Dej?

Dej covers 108.9 km², with a density of 330 people per km².

Is the population of Dej growing?

Between 2016 and 2026, the population of Dej went from 38,990 to 35,981, a change of −7.7%.

Where is Dej?

Dej is in Cluj County. Latitude 47.141, longitude 23.876.

Existing dwellings: what is the figure for Dej?

In Dej, “Existing dwellings” stands at 15,778 (2025), ranking 67 of 3,181 localities; the national median is 1,464.

School population (children, pupils and students) per 1,000 inhabitants: what is the figure for Dej?

In Dej, “School population (children, pupils and students) per 1,000 inhabitants” stands at 196 ‰ (2025), ranking 129 of 3,158 localities; the national median is 91 ‰.

Which localities border Dej?

The nearest to Dej are Cuzdrioara (5.7 km), Mica (6.6 km), Mintiu Gherlii (8.3 km), Jichișu de Jos (9.3 km), Ciceu-Mihăiești (10 km).