Târgu Ocna: population and statistics
Târgu Ocna has a population of 11,905 (2026) across 49.0 km², or 243 people per km². It ranks 194 of 3,181 localities by population. Its population is falling: −9.4% between 2016 and 2026.
- 11,905 residents
- 49.0 km²
- 243 people/km²
Key points
Among the 93 localities in Bacău County, Târgu Ocna ranks No. 7 by population.
School population (children, pupils and students) per 1,000 inhabitants: 243 ‰ in Târgu Ocna, compared with an average of 135 ‰ in Bacău County and 163 ‰ nationally.
Târgu Ocna: the most common activity among active businesses is Retail trade (except motor vehicles) (222 businesses).
Târgu Ocna in numbers
Where is Târgu Ocna?
Population of Târgu Ocna over time
Târgu Ocna had 13,140 residents in 2016 and 11,905 in 2026.
| Year | Population (by registered residence) |
|---|---|
| 2021 | 12,517 |
| 2022 | 12,363 |
| 2023 | 12,205 |
| 2024 | 12,133 |
| 2025 | 12,057 |
| 2026 | 11,905 |
Did you know?
- Number 1 in Bacău County for “School population (children, pupils and students) per 1,000 inhabitants”.
- “School population (children, pupils and students) per 1,000 inhabitants”: higher than in 98% of localities.
- “Existing dwellings”: higher than in 94% of localities.
- “Registered unemployed as a share of labour resources (working-age population)”: lower than in 90% of localities.
- Its area is roughly equal to 6,870 football pitches.
- Its population density is 2.7 times the national average.
- The nearest locality is Târgu Trotuș, 4.7 km away.
All indicators for Târgu Ocna
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.
Population
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| People settling in the municipality per 1,000 inhabitants (2025) | 12.3 ‰ | 15.1 ‰ | 16.0 ‰ | ranked 2,406 of 3,163 | |
| People leaving the municipality per 1,000 inhabitants (2025) | 17.1 ‰ | 20.9 ‰ | 17.3 ‰ | ranked 1,615 of 3,163 | |
| Live births per 1,000 inhabitants (2025) | 5.0 ‰ | 6.2 ‰ | 6.9 ‰ | ranked 2,504 of 3,157 | |
| Deaths per 1,000 inhabitants (2025) | 13.9 ‰ | 11.3 ‰ | 13.0 ‰ | ranked 1,329 of 3,163 |
Housing
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the drinking-water network per 1,000 inhabitants (2025) | 4.97 km | 3.43 km | 7.67 km | ranked 2,058 of 2,728 | |
| Building permits for residential buildings per 1,000 inhabitants (2025) | 1.26 ‰ | 1.28 ‰ | 1.53 ‰ | ranked 1,411 of 2,438 | |
| Existing dwellings (2025) | 5,628 | 296,898 | 10,177,161 | ranked 184 of 3,181 | |
| Dwellings per 1,000 inhabitants (2025) | 472.7 ‰ | 421.9 ‰ | 484.8 ‰ | ranked 1,738 of 3,163 | |
| Average living floor area per dwelling (m²) (2025) | 55.8 m² | 49.1 m² | 50.3 m² | ranked 970 of 3,163 | |
| Dwellings completed in the year per 1,000 inhabitants (2025) | 1.51 ‰ | 1.56 ‰ | 1.30 ‰ | ranked 849 of 1,926 |
Energy
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the gas distribution network per 1,000 inhabitants (2025) | 4.49 km | 3.26 km | 6.17 km | ranked 684 of 1,006 | |
| Natural gas distributed per inhabitant (m³) (2025) | 349 m³ | 5,702 m³ | 325,688 m³ | ranked 338 of 1,023 |
Economy
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Active companies in the trade register per 1,000 inhabitants (2026) | 38.9 ‰ | 34.3 ‰ | 29.4 ‰ | ranked 905 of 3,163 | |
| Companies registered in the last 12 months per 1,000 inhabitants (2026) | 2.60 ‰ | 2.10 ‰ | 2.10 ‰ | ranked 1,180 of 3,163 |
Employment
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average number of employees per 1,000 inhabitants (2024) | 166 ‰ | 174 ‰ | 71 ‰ | ranked 523 of 3,163 | |
| Registered unemployed as a share of labour resources (working-age population) (2026) | 0.6% | 0.7% | 2.3% | ranked 2,803 of 3,163 |
Tourism
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Tourist overnight stays per inhabitant (2025) | 1.8 nights | 0.8 | 0.4 | ranked 225 of 1,250 | |
| Tourist arrivals per 1,000 inhabitants (2025) | 967 ‰ | 411 ‰ | 200 ‰ | ranked 230 of 1,250 | |
| Tourist accommodation places per 1,000 inhabitants (2025) | 62.7 ‰ | 12.8 ‰ | 11.8 ‰ | ranked 177 of 1,362 |
Environment
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Drinking water distributed per inhabitant (m³) (2025) | 37.6 m³ | 25.3 m³ | 27.2 m³ | ranked 765 of 2,656 | |
| Length of the sewer network per 1,000 inhabitants (2025) | 3.45 km | 2.07 km | 4.05 km | ranked 977 of 1,695 |
Health
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Doctors per 1,000 inhabitants (2024) | 1.09 ‰ | 1.61 ‰ | 0.52 ‰ | ranked 438 of 2,833 | |
| Family doctors per 1,000 inhabitants (2024) | 0.34 ‰ | 0.34 ‰ | 0.46 ‰ | ranked 2,097 of 2,807 | |
| Pharmacists per 1,000 inhabitants (2024) | 0.42 ‰ | 0.42 ‰ | 0.47 ‰ | ranked 1,271 of 2,248 |
Education
| Indicator | Târgu Ocna | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| School population (children, pupils and students) per 1,000 inhabitants (2025) | 243 ‰ | 135 ‰ | 91 ‰ | ranked 51 of 3,158 | |
| Education units per 10,000 inhabitants (2025) | 5.0 per 10,000 inh. | 2.5 per 10,000 inh. | 3.6 per 10,000 inh. | ranked 867 of 3,122 |
Businesses by activity: Târgu Ocna
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
- Wholesale and retail trade265 · 20.3%
- Transport and storage144 · 11.0%
- Accommodation and food services125 · 9.6%
- Manufacturing115 · 8.8%
- Administrative and support services114 · 8.7%
- Professional, scientific and technical97 · 7.4%
- Construction93 · 7.1%
- Other service activities79 · 6.0%
Most common activities
- Retail trade (except motor vehicles)222 · 17.0%
- Wholesale trade (except motor vehicles)126 · 9.6%
- Land transport and transport via pipelines111 · 8.5%
- Food and beverage service activities100 · 7.6%
- Warehousing and transport support activities92 · 7.0%
- Specialised construction activities90 · 6.9%
- Office administration and business support activities59 · 4.5%
- Real estate activities57 · 4.4%
- Accommodation55 · 4.2%
- Construction of buildings53 · 4.1%
Frequently asked questions
What is the population of Târgu Ocna?
Târgu Ocna has 11,905 residents (2026), ranking 194 of 3,181 localities.
How big is Târgu Ocna?
Târgu Ocna covers 49.0 km², with a density of 243 people per km².
Is the population of Târgu Ocna growing?
Between 2016 and 2026, the population of Târgu Ocna went from 13,140 to 11,905, a change of −9.4%.
Where is Târgu Ocna?
Târgu Ocna is in Bacău County. Latitude 46.280, longitude 26.609.
School population (children, pupils and students) per 1,000 inhabitants: what is the figure for Târgu Ocna?
In Târgu Ocna, “School population (children, pupils and students) per 1,000 inhabitants” stands at 243 ‰ (2025), ranking 51 of 3,158 localities; the national median is 91 ‰.
Existing dwellings: what is the figure for Târgu Ocna?
In Târgu Ocna, “Existing dwellings” stands at 5,628 (2025), ranking 184 of 3,181 localities; the national median is 1,464.
Which localities border Târgu Ocna?
The nearest to Târgu Ocna are Târgu Trotuș (4.7 km), Pârgărești (5.4 km), Dofteana (8.2 km), Oituz (8.9 km), Bogdănești (9.1 km).