In Trosa municipality, 14,903 people live (2025).
Södermanlands län · municipal tax 32.03 % · population +41.7 % since 2002
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Trosa had 14,903 residents on 31 December 2025 (Statistics Sweden, BE0101N1). Since 2002 the population has grown by 4,389 people. The main urban area Vagnhärad had 4,109 residents (2023, SCB MI0810).
SCB BE0101N1
Immigration and foreign background in Trosa — full breakdown →
Actual municipal figures from SCB — not a scaled national profile.
Trosa, 2025 · five-year age groups
Number of people per five-year age group, 31 December.
| Age | Men | Women |
|---|---|---|
| 0-4 | 350 | 316 |
| 5-9 | 461 | 484 |
| 10-14 | 505 | 458 |
| 15-19 | 451 | 419 |
| 20-24 | 320 | 242 |
| 25-29 | 262 | 215 |
| 30-34 | 427 | 425 |
| 35-39 | 440 | 456 |
| 40-44 | 434 | 462 |
| 45-49 | 460 | 413 |
| 50-54 | 483 | 484 |
| 55-59 | 516 | 543 |
| 60-64 | 480 | 487 |
| 65-69 | 438 | 462 |
| 70-74 | 419 | 487 |
| 75-79 | 475 | 494 |
| 80-84 | 340 | 385 |
| 85-89 | 127 | 156 |
| 90-94 | 39 | 62 |
| 95-99 | 3 | 17 |
| 100+ | 0 | 6 |
Source: SCB BE0101N1 (BefolkningCKM) · 2025. 0–14: 2,574, 15–64: 8,419, 65+: 3,910.
Foreign background by age and sex is not published at municipal level by Statistics Sweden. Foreign background for this municipality is shown by area (DeSO) further down the page.
Register-based household statistics from Statistics Sweden. Shares are derived from compatible published cells within the same SCB table and reference year.
2025 · SCB HushallT09, HushallT03CKM, HushallT05CKM
SCB applies CKM disclosure control to the 2025 figures; published values contain a small amount of controlled random uncertainty.
Indicators for work in Trosa.
Indicators for economy & tax in Trosa.
Indicators for schools in Trosa.
Indicators for housing in Trosa.
Indicators for health in Trosa.
Indicators for crime in Trosa.
Indicators for politics in Trosa.
Geographically closest plus selected neighbours in the same county.
In 2025, Trosa municipality had 14,903 residents according to Statistics Sweden (BE0101N1). Of these, 4,109 lived in the main urban area Vagnhärad (2023).
Since 2002 the population has grown by 4,389 people (+41.7 %). Source: Statistics Sweden BE0101N1.
Trosa municipality is located in Södermanlands län (county code 04).
In 2026 the total local tax rate in Trosa is 32.03 % (municipality 21.20 % plus region 10.83 %). That is rank 50 of 290 municipalities from lowest to highest. Source: Statistics Sweden OE0101.
In Trosa, openly unemployed 18–65, share of population (%) was 2.0 % (2025). The national figure is 2.7 %. Source: Arbetsförmedlingen via Kolada N03937. Observation SF.KOLADATS-ARBETSLOSHET-18-65.0488.2025.
In Trosa, year 9 pupils eligible for vocational upper secondary programmes (%) was 90.6 % (2025). The national figure is 81.5 %. Source: Skolverket via Kolada N15424. Observation SF.KOLADATS-BEHORIGHET-GYMNASIUM.0488.2025.
In Trosa, reported offences, total (per 100,000) was 7,959.2 /100k (2025). The national figure is 9,856.9 /100k. Source: Brå via Kolada N07540. Observation SF.KOLADATS-ANMALDA-BROTT-TOTALT.0488.2025.
In 2025, 19.3 % of the population in Trosa had a foreign background according to Statistics Sweden (BE0101Q2), compared with 27.7 % nationally. More detail is available on the dedicated immigration page for Trosa.
Population comes from Statistics Sweden BE0101N1 and foreign background from BE0101Q2. Local key figures come from Kolada (RKA) and Statistics Sweden via Sverigefakta's municipal data engine, and every figure carries its own observation ID.
BE0101N1Population by municipality, age, sex and year (31 Dec)BE0101Q2Foreign/Swedish background — share by municipality (UtlSvBakgGrov)BE0101SHousehold statistics by municipality — households, size and household typeKoladaMunicipal key figures (RKA) — via Sverigefakta's municipal data engineThe figures on this page can be traced to their stated sources. Where an observation ID is available, it is shown with the corresponding fact. Read the method.
Foreign background: 19.3 % in 2025 (SCB BE0101Q2).
Content and our own calculations are CC BY 4.0. Please also cite the primary source.
Sverigefakta.com. (2026). Sverigefakta. Retrieved 2026-09-03, from https://sverigefakta.com/en/municipality/trosa
Sverigefakta.com (2026) Sverigefakta. Available at: https://sverigefakta.com/en/municipality/trosa (Accessed: 2026-09-03).
Sverigefakta.com, "Sverigefakta", https://sverigefakta.com/en/municipality/trosa (accessed 2026-09-03).
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author = {Sverigefakta.com},
title = {Sverigefakta},
year = {2026},
howpublished = {\url{https://sverigefakta.com/en/municipality/trosa}},
note = {Dataset v2026.2, accessed 2026-09-03}
}https://sverigefakta.com/en/municipality/trosa