Oncești (Bacău County): population and statistics
Oncești has a population of 1,509 (2026) across 47.5 km², or 31.7 people per km². It ranks 2,722 of 3,181 localities by population. Its population is falling: −9.6% between 2016 and 2026.
- 1,509 residents
- 47.5 km²
- 32 people/km²
Key points
Among the 93 localities in Bacău County, Oncești ranks No. 92 by population.
Pharmacists per 1,000 inhabitants: 0.00 ‰ in Oncești, compared with an average of 0.42 ‰ in Bacău County and 1.08 ‰ nationally.
Average living floor area per dwelling (m²): 36.7 m² in Oncești, compared with an average of 49.1 m² in Bacău County and 51.1 m² nationally.
Oncești: the most common activity among active businesses is Retail trade (except motor vehicles) (20 businesses).
Oncești in numbers
Where is Oncești?
Population of Oncești over time
Oncești had 1,670 residents in 2016 and 1,509 in 2026.
| Year | Population (by registered residence) |
|---|---|
| 2021 | 1,572 |
| 2022 | 1,560 |
| 2023 | 1,532 |
| 2024 | 1,535 |
| 2025 | 1,515 |
| 2026 | 1,509 |
Did you know?
- Number 1 in Bacău County for “Family doctors per 1,000 inhabitants”.
- Number 1 in Bacău County for “Education units per 10,000 inhabitants”.
- “Pharmacists per 1,000 inhabitants”: lower than in 97% of localities.
- “Average living floor area per dwelling (m²)”: lower than in 93% 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 6,657 football pitches.
- Its population density is 2.9 times lower than the national average.
All indicators for Oncești
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 | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| People settling in the municipality per 1,000 inhabitants (2025) | 16.6 ‰ | 15.1 ‰ | 16.0 ‰ | ranked 1,450 of 3,163 | |
| People leaving the municipality per 1,000 inhabitants (2025) | 19.2 ‰ | 20.9 ‰ | 17.3 ‰ | ranked 1,087 of 3,163 | |
| Live births per 1,000 inhabitants (2025) | 8.6 ‰ | 6.2 ‰ | 6.9 ‰ | ranked 844 of 3,157 | |
| Deaths per 1,000 inhabitants (2025) | 10.6 ‰ | 11.3 ‰ | 13.0 ‰ | ranked 2,324 of 3,163 |
Housing
| Indicator | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Existing dwellings (2025) | 740 | 296,898 | 10,177,161 | ranked 2,880 of 3,181 | |
| Dwellings per 1,000 inhabitants (2025) | 490.4 ‰ | 421.9 ‰ | 484.8 ‰ | ranked 1,517 of 3,163 | |
| Average living floor area per dwelling (m²) (2025) | 36.7 m² | 49.1 m² | 50.3 m² | ranked 2,937 of 3,163 | |
| Dwellings completed in the year per 1,000 inhabitants (2025) | 0.66 ‰ | 1.56 ‰ | 1.30 ‰ | ranked 1,399 of 1,926 |
Economy
| Indicator | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Active companies in the trade register per 1,000 inhabitants (2026) | 21.9 ‰ | 34.3 ‰ | 29.4 ‰ | ranked 2,245 of 3,163 | |
| Companies registered in the last 12 months per 1,000 inhabitants (2026) | 0.66 ‰ | 2.10 ‰ | 2.10 ‰ | ranked 2,807 of 3,163 |
Employment
| Indicator | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average number of employees per 1,000 inhabitants (2024) | 50 ‰ | 174 ‰ | 71 ‰ | ranked 2,207 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 |
Health
| Indicator | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Doctors per 1,000 inhabitants (2024) | 0.66 ‰ | 1.61 ‰ | 0.52 ‰ | ranked 989 of 2,833 | |
| Family doctors per 1,000 inhabitants (2024) | 0.66 ‰ | 0.34 ‰ | 0.46 ‰ | ranked 571 of 2,807 | |
| Pharmacists per 1,000 inhabitants (2024) | 0.00 ‰ | 0.42 ‰ | 0.47 ‰ | ranked 2,127 of 2,248 |
Education
| Indicator | Oncești | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| School population (children, pupils and students) per 1,000 inhabitants (2025) | 97 ‰ | 135 ‰ | 91 ‰ | ranked 1,359 of 3,158 | |
| Education units per 10,000 inhabitants (2025) | 6.6 per 10,000 inh. | 2.5 per 10,000 inh. | 3.6 per 10,000 inh. | ranked 458 of 3,122 |
Businesses by activity: Oncești
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 trade26 · 31.0%
- Transport and storage14 · 16.7%
- Accommodation and food services12 · 14.3%
- Agriculture, forestry and fishing6 · 7.1%
- Manufacturing5 · 6.0%
- Construction5 · 6.0%
- Administrative and support services4 · 4.8%
- Arts, entertainment and recreation4 · 4.8%
Most common activities
- Retail trade (except motor vehicles)20 · 23.8%
- Wholesale trade (except motor vehicles)16 · 19.0%
- Land transport and transport via pipelines14 · 16.7%
- Food and beverage service activities12 · 14.3%
- Warehousing and transport support activities5 · 6.0%
- Crop and animal production, hunting and related services4 · 4.8%
- Specialised construction activities4 · 4.8%
- Sports, amusement and recreation activities4 · 4.8%
- Construction of buildings3 · 3.6%
- Civil engineering3 · 3.6%
Frequently asked questions
What is the population of Oncești?
Oncești has 1,509 residents (2026), ranking 2,722 of 3,181 localities.
How big is Oncești?
Oncești covers 47.5 km², with a density of 32 people per km².
Is the population of Oncești growing?
Between 2016 and 2026, the population of Oncești went from 1,670 to 1,509, a change of −9.6%.
Where is Oncești?
Oncești is in Bacău County. Latitude 46.479, longitude 27.259.
Pharmacists per 1,000 inhabitants: what is the figure for Oncești?
In Oncești, “Pharmacists per 1,000 inhabitants” stands at 0.00 ‰ (2024), ranking 2,127 of 2,248 localities; the national median is 0.47 ‰.
Average living floor area per dwelling (m²): what is the figure for Oncești?
In Oncești, “Average living floor area per dwelling (m²)” stands at 36.7 m² (2025), ranking 2,937 of 3,163 localities; the national median is 50.3 m².
Which localities border Oncești?
The nearest to Oncești are Stănișești (6.5 km), Filipeni (8.4 km), Vultureni (9.0 km), Răchitoasa (9.7 km), Izvoru Berheciului (12 km).