Cașin: population and statistics
Cașin has a population of 4,291 (2026) across 36.5 km², or 118 people per km². It ranks 957 of 3,181 localities by population. Its population is growing: +7.8% between 2016 and 2026.
- 4,291 residents
- 36.5 km²
- 118 people/km²
Key points
Among the 93 localities in Bacău County, Cașin ranks No. 49 by population.
Doctors per 1,000 inhabitants: 0.00 ‰ in Cașin, compared with an average of 1.61 ‰ in Bacău County and 3.53 ‰ nationally.
School population (children, pupils and students) per 1,000 inhabitants: 44 ‰ in Cașin, compared with an average of 135 ‰ in Bacău County and 163 ‰ nationally.
Cașin: the most common activity among active businesses is Retail trade (except motor vehicles) (78 businesses).
Cașin in numbers
Where is Cașin?
Population of Cașin over time
Cașin had 3,980 residents in 2016 and 4,291 in 2026.
| Year | Population (by registered residence) |
|---|---|
| 2021 | 4,044 |
| 2022 | 4,055 |
| 2023 | 4,089 |
| 2024 | 4,134 |
| 2025 | 4,205 |
| 2026 | 4,291 |
Did you know?
- “Doctors per 1,000 inhabitants”: lower than in 99% of localities.
- “School population (children, pupils and students) per 1,000 inhabitants”: lower than in 96% of localities.
- “Building permits for residential buildings per 1,000 inhabitants”: higher than in 96% of localities.
- Its area is roughly equal to 5,116 football pitches.
- The nearest locality is Buciumi, 2.6 km away.
- The nearest more populous locality is Onești (46,776 residents), 5.7 km away.
All indicators for Cașin
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 | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| People settling in the municipality per 1,000 inhabitants (2025) | 39.4 ‰ | 15.1 ‰ | 16.0 ‰ | ranked 117 of 3,163 | |
| People leaving the municipality per 1,000 inhabitants (2025) | 13.7 ‰ | 20.9 ‰ | 17.3 ‰ | ranked 2,483 of 3,163 | |
| Live births per 1,000 inhabitants (2025) | 6.8 ‰ | 6.2 ‰ | 6.9 ‰ | ranked 1,599 of 3,157 | |
| Deaths per 1,000 inhabitants (2025) | 13.1 ‰ | 11.3 ‰ | 13.0 ‰ | ranked 1,544 of 3,163 |
Housing
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the drinking-water network per 1,000 inhabitants (2025) | 2.63 km | 3.43 km | 7.67 km | ranked 2,512 of 2,728 | |
| Building permits for residential buildings per 1,000 inhabitants (2025) | 8.86 ‰ | 1.28 ‰ | 1.53 ‰ | ranked 93 of 2,438 | |
| Existing dwellings (2025) | 1,894 | 296,898 | 10,177,161 | ranked 1,064 of 3,181 | |
| Dwellings per 1,000 inhabitants (2025) | 441.4 ‰ | 421.9 ‰ | 484.8 ‰ | ranked 2,136 of 3,163 | |
| Average living floor area per dwelling (m²) (2025) | 59.5 m² | 49.1 m² | 50.3 m² | ranked 676 of 3,163 | |
| Dwellings completed in the year per 1,000 inhabitants (2025) | 6.29 ‰ | 1.56 ‰ | 1.30 ‰ | ranked 134 of 1,926 |
Energy
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the gas distribution network per 1,000 inhabitants (2025) | 9.21 km | 3.26 km | 6.17 km | ranked 233 of 1,006 | |
| Natural gas distributed per inhabitant (m³) (2025) | 207 m³ | 5,702 m³ | 325,688 m³ | ranked 636 of 1,023 |
Economy
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Active companies in the trade register per 1,000 inhabitants (2026) | 41.2 ‰ | 34.3 ‰ | 29.4 ‰ | ranked 806 of 3,163 | |
| Companies registered in the last 12 months per 1,000 inhabitants (2026) | 2.56 ‰ | 2.10 ‰ | 2.10 ‰ | ranked 1,215 of 3,163 |
Employment
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average number of employees per 1,000 inhabitants (2024) | 142 ‰ | 174 ‰ | 71 ‰ | ranked 639 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 |
Environment
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Drinking water distributed per inhabitant (m³) (2025) | 15.8 m³ | 25.3 m³ | 27.2 m³ | ranked 2,074 of 2,656 |
Health
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| Doctors per 1,000 inhabitants (2024) | 0.00 ‰ | 1.61 ‰ | 0.52 ‰ | ranked 2,784 of 2,833 | |
| Family doctors per 1,000 inhabitants (2024) | 0.00 ‰ | 0.34 ‰ | 0.46 ‰ | ranked 2,756 of 2,807 | |
| Pharmacists per 1,000 inhabitants (2024) | 0.47 ‰ | 0.42 ‰ | 0.47 ‰ | ranked 1,097 of 2,248 |
Education
| Indicator | Cașin | Bacău County | National | Position? | Rank |
|---|---|---|---|---|---|
| School population (children, pupils and students) per 1,000 inhabitants (2025) | 44 ‰ | 135 ‰ | 91 ‰ | ranked 3,025 of 3,158 | |
| Education units per 10,000 inhabitants (2025) | 2.3 per 10,000 inh. | 2.5 per 10,000 inh. | 3.6 per 10,000 inh. | ranked 2,418 of 3,122 |
Businesses by activity: Cașin
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 trade110 · 22.0%
- Transport and storage78 · 15.6%
- Manufacturing54 · 10.8%
- Administrative and support services41 · 8.2%
- Construction34 · 6.8%
- Professional, scientific and technical33 · 6.6%
- Accommodation and food services29 · 5.8%
- Other service activities23 · 4.6%
Most common activities
- Retail trade (except motor vehicles)78 · 15.6%
- Wholesale trade (except motor vehicles)66 · 13.2%
- Land transport and transport via pipelines61 · 12.2%
- Warehousing and transport support activities50 · 10.0%
- Specialised construction activities32 · 6.4%
- Food and beverage service activities26 · 5.2%
- Office administration and business support activities21 · 4.2%
- Civil engineering20 · 4.0%
- Real estate activities19 · 3.8%
- Construction of buildings18 · 3.6%
Frequently asked questions
What is the population of Cașin?
Cașin has 4,291 residents (2026), ranking 957 of 3,181 localities.
How big is Cașin?
Cașin covers 36.5 km², with a density of 118 people per km².
Is the population of Cașin growing?
Between 2016 and 2026, the population of Cașin went from 3,980 to 4,291, a change of +7.8%.
Where is Cașin?
Cașin is in Bacău County. Latitude 46.200, longitude 26.750.
Doctors per 1,000 inhabitants: what is the figure for Cașin?
In Cașin, “Doctors per 1,000 inhabitants” stands at 0.00 ‰ (2024), ranking 2,784 of 2,833 localities; the national median is 0.52 ‰.
School population (children, pupils and students) per 1,000 inhabitants: what is the figure for Cașin?
In Cașin, “School population (children, pupils and students) per 1,000 inhabitants” stands at 44 ‰ (2025), ranking 3,025 of 3,158 localities; the national median is 91 ‰.
Which localities border Cașin?
The nearest to Cașin are Buciumi (2.6 km), Bogdănești (5.5 km), Onești (5.7 km), Mănăstirea Cașin (7.0 km), Pârgărești (8.8 km).