Sisak: population and statistics
Sisak has a population of 38,279 (2025) across 32.0 km², or 1,196 people per km². It ranks 15 of 556 municipalities by population. Its population is falling: −14.1% between 2015 and 2025.
- 38,279 residents
- 32.0 km²
- 1,196 people/km²
Sisak in numbers
Key points
Among the 19 municipalities in Sisak-Moslavina County, Sisak ranks No. 1 by population.
Population of Sisak over time
Sisak had 44,583 residents in 2015 and 38,279 in 2025.
| Year | Population |
|---|---|
| 2020 | 40,571 |
| 2021 | 39,895 |
| 2022 | 39,307 |
| 2023 | 39,102 |
| 2024 | 38,892 |
| 2025 | 38,279 |
Did you know?
- Number 1 in Sisak-Moslavina County for “Population”.
- Number 1 in Sisak-Moslavina County for “Population density”.
- “Primary schools”: higher than in 99% of municipalities.
- “Number of dwellings”: higher than in 98% of municipalities.
- “Persons in paid employment in legal entities”: higher than in 97% of municipalities.
- Its area is roughly equal to 4,482 football pitches.
- Its population density is 10.6 times the national average.
All indicators for Sisak
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average age of residents (2021) | 46.6 years | 45.9 | 44.8 | ranked 139 of 545 | |
| Share of residents aged 65 and over (2021) | 25.3% | 24.6% | 22.9% | ranked 165 of 545 | |
| Share of children aged 0 to 14 (2021) | 12.3% | 13.1% | 13.7% | ranked 416 of 545 | |
| Natural change per 1,000 residents (2024) | −9.9 ‰ | −9.4 ‰ | −6.8 ‰ | ranked 391 of 546 | |
| Net migration (arrivals minus departures) per 1,000 residents (2025) | −7.6 ‰ | −4.2 ‰ | 3.1 ‰ | ranked 460 of 546 | |
| Net migration with abroad per 1,000 residents (2025) | −5.8 ‰ | −1.9 ‰ | 3.7 ‰ | ranked 520 of 546 |
Housing
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Number of dwellings (2021) | 21,059 | 87,222 | 2,390,500 | ranked 12 of 545 | |
| Dwellings per 1,000 residents (2021) | 525 | 621 | 604 | ranked 366 of 545 | |
| Share of holiday and seasonal dwellings (2021) | 1.9% | 6.6% | 7.9% | ranked 429 of 545 | |
| Share of unoccupied dwellings for permanent residence (2021) | 22.3% | 29.2% | 25.9% | ranked 366 of 545 | |
| Average floor area of an occupied dwelling (2021) | 89.5 m² | 98.0 m² | 100.4 m² | ranked 463 of 545 | |
| Dwellings completed in the year (2024) | 57 | 265 | 16,654 | ranked 64 of 546 | |
| Dwellings completed 2020-2024 per 1,000 residents (2024) | 3.3 | 6.8 | 7.2 | ranked 428 of 546 | |
| Share of occupied dwellings connected to a sewage disposal system (2021) | 99.3% | 98.7% | 99.0% | ranked 228 of 545 |
Energy
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of occupied dwellings with a gas installation (2021) | 16.5% | 27.7% | 12.8% | ranked 253 of 545 | |
| Share of occupied dwellings with air conditioning (2021) | 47.1% | 32.1% | 31.3% | ranked 173 of 545 |
Economy
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of employed residents in agriculture, forestry and fishing (2021) | 3.3% | 5.7% | 6.0% | ranked 397 of 545 | |
| Share of employed residents in mining, manufacturing, energy and water supply (2021) | 19.9% | 23.4% | 19.5% | ranked 266 of 545 | |
| Share of employed residents in construction (2021) | 6.7% | 8.5% | 9.0% | ranked 415 of 545 | |
| Net income per resident (per year) (2025) | 9,776 € | 8,681 € | 7,821 € | ranked 66 of 546 | |
| Average annual net pay per employee (2025) | 12,815 € | 12,100 € | 11,010 € | ranked 46 of 546 | |
| Average annual net pension per pensioner (2025) | 7,612 € | 6,760 € | 6,391 € | ranked 18 of 546 | |
| Employees with pay per 1,000 residents (2025) | 491 | 460 | 456 | ranked 172 of 546 | |
| Pensioners per 1,000 residents (2025) | 370 | 378 | 302 | ranked 98 of 546 |
Employment
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 5.7% | 6.8% | 4.6% | ranked 219 of 545 | |
| Employed share of residents aged 15 and over (2021) | 46.3% | 43.4% | 45.2% | ranked 236 of 545 | |
| Persons in paid employment in legal entities (2024) | 13,610 | 31,859 | 1,262,193 | ranked 16 of 546 | |
| Persons in paid employment in legal entities per 1,000 residents (2024) | 350 | 238 | 150 | ranked 58 of 546 | |
| Share of employed residents working outside their municipality (2021) | 29.4% | 38.9% | 55.5% | ranked 464 of 545 |
Tourism
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Tourist nights in the year (2019) | 23,522 | – | 9,381 | ranked 172 of 422 | |
| Tourist nights per resident in the year (2019) | 0.6 | 0.8 | 1.6 | ranked 259 of 422 | |
| Share of employed residents in accommodation and food service activities (2021) | 4.8% | 5.2% | 6.5% | ranked 399 of 545 |
Society
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average household size in occupied dwellings (2021) | 2.48 | 2.60 | 2.75 | ranked 429 of 545 |
Education
| Indicator | Sisak | Sisak-Moslavina County | National | Position? | Rank |
|---|---|---|---|---|---|
| Kindergartens and preschool institutions (2025/2026) | 12 | 40 | 1,794 | ranked 23 of 546 | |
| Children in kindergartens (2025/2026) | 1,410 | 4,515 | 158,685 | ranked 17 of 546 | |
| Children in kindergartens per 1,000 residents (2025/2026) | 37 | 34 | 35 | ranked 227 of 546 | |
| Primary schools (2025/2026) | 19 | 79 | 1,925 | ranked 6 of 546 | |
| Primary school pupils (2025/2026) | 2,831 | 9,475 | 291,355 | ranked 15 of 546 | |
| Primary school pupils per 1,000 residents (2025/2026) | 74 | 72 | 72 | ranked 231 of 546 | |
| Pupils per teacher in primary schools (2025/2026) | 7.6 | 7.1 | 6.3 | ranked 165 of 534 | |
| Students by place of residence (2025/2026) | 1,371 | 4,094 | 139,372 | ranked 16 of 546 | |
| Students per 1,000 residents (by place of residence) (2025/2026) | 36 | 31 | 28 | ranked 91 of 546 | |
| Share of residents aged 15 and over with higher education (2021) | 21.5% | 15.9% | 13.0% | ranked 91 of 545 |
Sisak: indicators over time
Indicators available for several years. Hover over or tap a chart to read the value for each year.
Natural change per 1,000 residents
−9.9 ‰ in 2024, compared with −10.6 ‰ in 2022
Net migration (arrivals minus departures) per 1,000 residents
−7.6 ‰ in 2025, compared with −10.5 ‰ in 2015
Net migration with abroad per 1,000 residents
−5.8 ‰ in 2025, compared with −7.6 ‰ in 2015
Dwellings completed in the year
57 in 2024, compared with 55 in 2011
Net income per resident (per year)
9,776 € in 2025, compared with 6,343 € in 2022
Average annual net pay per employee
12,815 € in 2025, compared with 8,731 € in 2022
Average annual net pension per pensioner
7,612 € in 2025, compared with 5,181 € in 2022
Persons in paid employment in legal entities
13,610 in 2024, compared with 13,617 in 2011
Tourist nights in the year
7,362 in 2021, compared with 23,244 in 2012
Where is Sisak?
Neighbouring municipalities
- Petrinja8.7 km · 19,248
- Martinska Ves10 km · 2,701
- Lekenik16 km · 5,321
- Sunja20 km · 3,648
- Križ21 km · 5,996
- Popovača21 km · 10,050
- Velika Ludina21 km · 2,271
- Orle24 km · 1,833
All municipalities in Sisak-Moslavina County
Municipalities of similar size
Frequently asked questions
What is the population of Sisak?
Sisak has 38,279 residents (2025), ranking 15 of 556 municipalities.
How big is Sisak?
Sisak covers 32.0 km², with a density of 1,196 people per km².
Is the population of Sisak growing?
Between 2015 and 2025, the population of Sisak went from 44,583 to 38,279, a change of −14.1%.
Where is Sisak?
Sisak is in Sisak-Moslavina County. Latitude 45.487, longitude 16.376.
Primary schools: what is the figure for Sisak?
In Sisak, “Primary schools” stands at 19 (2025/2026), ranking 6 of 546 municipalities; the national median is 2.
Number of dwellings: what is the figure for Sisak?
In Sisak, “Number of dwellings” stands at 21,059 (2021), ranking 12 of 545 municipalities; the national median is 1,867.
Which municipalities border Sisak?
The nearest to Sisak are Petrinja (8.7 km), Martinska Ves (10 km), Lekenik (16 km), Sunja (20 km), Križ (21 km).