Location map: Chiajna
Locality · Ilfov County

Chiajna: population and statistics

Chiajna has a population of 42,968 (2026) across 16.3 km², or 2,638 people per km². It ranks 54 of 3,181 localities by population. Its population is growing: +151.0% between 2016 and 2026.

  • 42,968 residents
  • 16.3 km²
  • 2,638 people/km²

Key points

Among the 40 localities in Ilfov County, Chiajna ranks No. 3 by population.

Active companies in the trade register per 1,000 inhabitants: 142.5 ‰ in Chiajna, compared with an average of 144.5 ‰ in Ilfov County and 60.3 ‰ nationally.

Deaths per 1,000 inhabitants: 4.3 ‰ in Chiajna, compared with an average of 7.8 ‰ in Ilfov County and 11.1 ‰ nationally.

Chiajna: the most common activity among active businesses is Retail trade (except motor vehicles) (2,704 businesses).

Chiajna in numbers

Population (by registered residence)
42,968
ranked 54 of 3,181
+151.0%over 10 years
2016–2026
Population density
2,638people/km²
ranked 12 of 3,163
Area
16.3km²
ranked 3,152 of 3,181
Active companies in the trade register per 1,000 inhabitants
142.5‰
ranked 16 of 3,163
Deaths per 1,000 inhabitants
4.3‰
ranked 3,150 of 3,163
Length of the drinking-water network per 1,000 inhabitants
1.05km
ranked 2,689 of 2,728
Registered unemployed as a share of labour resources (working-age population)
0.2%
ranked 3,073 of 3,163

Where is Chiajna?

Population of Chiajna over time

10,00020,00030,00040,00050,000201620182020202220242026
Population, 2016–2026

Chiajna had 17,122 residents in 2016 and 42,968 in 2026.

YearPopulation (by registered residence)
202130,611
202232,917
202335,720
202438,589
202540,647
202642,968

Did you know?

All indicators for Chiajna

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.

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

Population

IndicatorChiajnaIlfov CountyNationalPosition?Rank
People settling in the municipality per 1,000 inhabitants (2025)84.1 ‰52.2 ‰16.0 ‰ranked 17 of 3,163
People leaving the municipality per 1,000 inhabitants (2025)37.9 ‰24.0 ‰17.3 ‰ranked 20 of 3,163
Live births per 1,000 inhabitants (2025)11.1 ‰8.0 ‰6.9 ‰ranked 266 of 3,157
Deaths per 1,000 inhabitants (2025)4.3 ‰7.8 ‰13.0 ‰ranked 3,150 of 3,163

Housing

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Length of the drinking-water network per 1,000 inhabitants (2025)1.05 km3.60 km7.67 kmranked 2,689 of 2,728
Building permits for residential buildings per 1,000 inhabitants (2025)0.56 ‰6.59 ‰1.53 ‰ranked 2,098 of 2,438
Existing dwellings (2025)29,415312,51610,177,161ranked 38 of 3,181
Dwellings per 1,000 inhabitants (2025)684.6 ‰570.4 ‰484.8 ‰ranked 302 of 3,163
Average living floor area per dwelling (m²) (2025)54.9 m²71.3 m²50.3 m²ranked 1,059 of 3,163
Dwellings completed in the year per 1,000 inhabitants (2025)26.60 ‰14.48 ‰1.30 ‰ranked 13 of 1,926

Energy

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Length of the gas distribution network per 1,000 inhabitants (2025)2.81 km5.51 km6.17 kmranked 848 of 1,006
Natural gas distributed per inhabitant (m³) (2025)663 m³23,072 m³325,688 m³ranked 77 of 1,023

Economy

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Active companies in the trade register per 1,000 inhabitants (2026)142.5 ‰144.5 ‰29.4 ‰ranked 16 of 3,163
Companies registered in the last 12 months per 1,000 inhabitants (2026)16.76 ‰12.82 ‰2.10 ‰ranked 9 of 3,163

Employment

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Average number of employees per 1,000 inhabitants (2024)313 ‰336 ‰71 ‰ranked 149 of 3,163
Registered unemployed as a share of labour resources (working-age population) (2026)0.2%0.3%2.3%ranked 3,073 of 3,163

Environment

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Drinking water distributed per inhabitant (m³) (2025)31.0 m³39.2 m³27.2 m³ranked 1,092 of 2,656
Length of the sewer network per 1,000 inhabitants (2025)1.18 km2.90 km4.05 kmranked 1,515 of 1,695

Health

IndicatorChiajnaIlfov CountyNationalPosition?Rank
Doctors per 1,000 inhabitants (2024)1.35 ‰2.23 ‰0.52 ‰ranked 358 of 2,833
Family doctors per 1,000 inhabitants (2024)0.19 ‰0.39 ‰0.46 ‰ranked 2,677 of 2,807
Pharmacists per 1,000 inhabitants (2024)0.51 ‰0.58 ‰0.47 ‰ranked 980 of 2,248

Education

IndicatorChiajnaIlfov CountyNationalPosition?Rank
School population (children, pupils and students) per 1,000 inhabitants (2025)62 ‰119 ‰91 ‰ranked 2,709 of 3,158
Education units per 10,000 inhabitants (2025)2.8 per 10,000 inh.2.7 per 10,000 inh.3.6 per 10,000 inh.ranked 2,072 of 3,122

Businesses by activity: Chiajna

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 Chiajna?

Chiajna has 42,968 residents (2026), ranking 54 of 3,181 localities.

How big is Chiajna?

Chiajna covers 16.3 km², with a density of 2,638 people per km².

Is the population of Chiajna growing?

Between 2016 and 2026, the population of Chiajna went from 17,122 to 42,968, a change of +151.0%.

Where is Chiajna?

Chiajna is in Ilfov County. Latitude 44.456, longitude 25.975.

Active companies in the trade register per 1,000 inhabitants: what is the figure for Chiajna?

In Chiajna, “Active companies in the trade register per 1,000 inhabitants” stands at 142.5 ‰ (2026), ranking 16 of 3,163 localities; the national median is 29.4 ‰.

Deaths per 1,000 inhabitants: what is the figure for Chiajna?

In Chiajna, “Deaths per 1,000 inhabitants” stands at 4.3 ‰ (2025), ranking 3,150 of 3,163 localities; the national median is 13.0 ‰.

Which localities border Chiajna?

The nearest to Chiajna are Dragomirești-Vale (3.5 km), Chitila (6.8 km), Ciorogârla (7.3 km), Domnești (7.7 km), Clinceni (9.3 km).