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SVERIGEFAKTA

Population & demographics in Strängnäs Municipality

Key facts

  • Population (31 Dec) in Strängnäs increased from 34,102 people (2015) to 39,387 people (2025).

    Source: SCB BefolkningCKM (000007ME) · 2015–2025

Population, age structure, births and net internal migration in Strängnäs. Foreign background is reported separately on the municipality immigration page. Verified time series from Statistics Sweden and Kolada — latest year 2025.

Foreign background and migration in Strängnäs

Latest data year: 2025 · 17 indicators · Package version: v12 · Updated: 2026-10-17

Short answer: Strängnäs in figures

  • Population (31 Dec): 39,387 people (2025). Change since 2020: +5.6 % (relative change).

    Source: SCB BefolkningCKM (000007ME)

  • Natural change (births − deaths): -20.0 people (2025). Change since 2020: −2.0 people.

    Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805

  • Net migration (in − out): 87.0 people (2025). Change since 2020: −667.0 people.

    Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802

National figure and rank use the same year and value as the municipal figure; otherwise they are omitted. Rank 1 = highest value. Election-cycle series are not given annual trends. Missing values are not shown as zero.

Population (31 Dec)
39,387 people
2025 · +5.6 % vs 2020
Natural change (births − deaths)
-20.0 people
2025 · −2.0 people vs 2020
Net migration (in − out)
87.0 people
2025 · −667.0 people vs 2020
Population density53.0 inv/km²2025 · Beräknat av SVERIGEFAKTA ur SCB BefolkningCKM (000007ME) och landareal (Kolada N02993)

Population & growth

Population (31 Dec)

39,387 people(2025)

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Source: SCB BefolkningCKM (000007ME) · 2002–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2002–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Annual population change

74.0 people(2025)

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Source: SCB BefolkningCKM (000007ME) · 2003–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2003–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Population change, 5 years

5.62 %(2025)

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Source: SCB BefolkningCKM (000007ME) · 2007–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2007–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Population change, 10 years

15.5 %(2025)

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Source: SCB BefolkningCKM (000007ME) · 2012–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2012–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Residents aged 0–19, share (%)

23.4 %(2025)

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Source: SCB via Kolada N01994 (Kolada:N01994) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01994 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 23.4 % · 2025

Sweden: 22.4 % · difference +1.0 pp

Rank 73 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 70Växjö23.6 % · +0.2 pp
  2. 71Landskrona23.5 % · +0.0 pp
  3. 72Hallstahammar23.4 % · +0.0 pp
  4. 73Strängnäs23.4 % · 0.0 pp
  5. 74Gnesta23.4 % · −0.0 pp
  6. 75Falköping23.4 % · −0.1 pp
  7. 76Söderköping23.3 % · −0.1 pp

Source: SCB via Kolada N01994. Definition: Residents aged 0–19, share (%)

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Residents aged 20–64, share (%)

52.9 %(2025)

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Source: SCB via Kolada N01961 (Kolada:N01961) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01961 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 52.9 % · 2025

Sweden: 56.5 % · difference −3.6 pp

Rank 112 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 109Årjäng53.0 % · +0.1 pp
  2. 110Höör52.9 % · +0.0 pp
  3. 111Oskarshamn52.9 % · +0.0 pp
  4. 112Strängnäs52.9 % · 0.0 pp
  5. 113Perstorp52.9 % · −0.0 pp
  6. 114Ängelholm52.9 % · −0.0 pp
  7. 115Ekerö52.8 % · −0.1 pp

Source: SCB via Kolada N01961. Definition: Residents aged 20–64, share (%)

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Residents aged 65–79, share (%)

16.5 %(2025)

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Source: SCB via Kolada N01812 (Kolada:N01812) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01812 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 16.5 % · 2025

Sweden: 14.6 % · difference +1.9 pp

Rank 186 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 183Karlskoga16.7 % · +0.1 pp
  2. 184Tranås16.7 % · +0.1 pp
  3. 185Falun16.6 % · +0.1 pp
  4. 186Strängnäs16.5 % · 0.0 pp
  5. 187Vänersborg16.3 % · −0.2 pp
  6. 188Gnosjö16.3 % · −0.2 pp
  7. 189Skara16.3 % · −0.3 pp

Source: SCB via Kolada N01812. Definition: Residents aged 65–79, share (%)

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Residents aged 80+, share (%)

7.14 %(2025)

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Source: SCB via Kolada N01813 (Kolada:N01813) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01813 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 7.1 % · 2025

Sweden: 6.4 % · difference +0.7 pp

Rank 197 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 194Mark7.2 % · +0.1 pp
  2. 195Hylte7.2 % · +0.0 pp
  3. 196Piteå7.1 % · +0.0 pp
  4. 197Strängnäs7.1 % · 0.0 pp
  5. 198Kungsbacka7.1 % · −0.0 pp
  6. 199Skellefteå7.1 % · −0.0 pp
  7. 200Värnamo7.1 % · −0.1 pp

Source: SCB via Kolada N01813. Definition: Residents aged 80+, share (%)

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Demographic dependency ratio

0.89 ratio(2025)

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Source: SCB via Kolada N00927 (Kolada:N00927) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N00927 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 0.89 ratio · 2025

Sweden: 0.77 ratio · difference +0.12 ratio

Rank 179 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 176Ekerö0.89 ratio · +0.00 ratio
  2. 177Ängelholm0.89 ratio · +0.00 ratio
  3. 178Perstorp0.89 ratio · +0.00 ratio
  4. 179Strängnäs0.89 ratio · 0.00 ratio
  5. 180Höör0.89 ratio · −0.00 ratio
  6. 181Oskarshamn0.89 ratio · −0.00 ratio
  7. 182Årjäng0.89 ratio · −0.00 ratio

Source: SCB via Kolada N00927. Definition: Demographic dependency ratio

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Births, deaths & natural change

Births, number

345 people(2025)

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Source: SCB via Kolada N01804 (Kolada:N01804) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01804 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 345.0 people · 2025

Sweden: 97,491.0 people · difference −97,146 people

Rank 65 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 62Lidingö384.0 people · +39.0 people
  2. 63Eslöv356.0 people · +11.0 people
  3. 64Ängelholm352.0 people · +7.0 people
  4. 65Strängnäs345.0 people · 0.0 people
  5. 66Alingsås343.0 people · −2.0 people
  6. 67Piteå340.0 people · −5.0 people
  7. 68Vänersborg335.0 people · −10.0 people

Source: SCB via Kolada N01804. Definition: Births, number

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Deaths, number

365 people(2025)

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Source: SCB via Kolada N01805 (Kolada:N01805) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01805 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 365.0 people · 2025

Sweden: 92,212.0 people · difference −91,847 people

Rank 65 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 62Lidingö387.0 people · +22.0 people
  2. =63Alingsås367.0 people · +2.0 people
  3. =63Boden367.0 people · +2.0 people
  4. 65Strängnäs365.0 people · 0.0 people
  5. 66Mark364.0 people · −1.0 people
  6. 67Karlskoga359.0 people · −6.0 people
  7. 68Ystad354.0 people · −11.0 people

Source: SCB via Kolada N01805. Definition: Deaths, number

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Natural change (births − deaths)

-20.0 people(2025)

Use this statistic

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805 (Kolada:N01804+N01805) · 2014–2025 · Data status: complete / derived

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805 · 2014–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Migration flows

In-migration to the municipality

2,176 people(2025)

Use this statistic

Source: SCB via Kolada N01801 (Kolada:N01801) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01801 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 2,176.0 people · 2025

Sweden: 89,434.0 people · difference −87,258 people

Rank 65 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 62Vallentuna2,351.0 people · +175.0 people
  2. 63Härryda2,254.0 people · +78.0 people
  3. 64Ängelholm2,250.0 people · +74.0 people
  4. 65Strängnäs2,176.0 people · 0.0 people
  5. 66Burlöv2,154.0 people · −22.0 people
  6. 67Lerum2,135.0 people · −41.0 people
  7. 68Knivsta2,088.0 people · −88.0 people

Source: SCB via Kolada N01801. Definition: In-migration to the municipality

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Out-migration from the municipality

2,089 people(2025)

Use this statistic

Source: SCB via Kolada N01802 (Kolada:N01802) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01802 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 2,089.0 people · 2025

Sweden: 77,483.0 people · difference −75,394 people

Rank 65 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 62Varberg2,273.0 people · +184.0 people
  2. 63Vallentuna2,203.0 people · +114.0 people
  3. 64Ängelholm2,134.0 people · +45.0 people
  4. 65Strängnäs2,089.0 people · 0.0 people
  5. 66Lerum2,060.0 people · −29.0 people
  6. 67Vänersborg1,919.0 people · −170.0 people
  7. 68Vellinge1,917.0 people · −172.0 people

Source: SCB via Kolada N01802. Definition: Out-migration from the municipality

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Net migration (in − out)

87.0 people(2025)

Use this statistic

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802 (Kolada:N01801+N01802) · 2014–2025 · Data status: complete / derived

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802 · 2014–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Net domestic migration

112 people(2025)

Use this statistic

Source: SCB via Kolada N01964 (Kolada:N01964) · 2014–2025 · Data status: complete / observed

Source: SCB via Kolada N01964 · 2014–2025 · Observation (source value) · Method · Report an error

Strängnäs: 112.0 people · 2025

Sweden: 0.0 people · difference +112.0 people

Shared rank 42 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 40Enköping119.0 people · +7.0 people
  2. 41Höganäs117.0 people · +5.0 people
  3. =42Höör112.0 people · 0.0 people
  4. =42Strängnäs112.0 people · 0.0 people
  5. 44Sjöbo105.0 people · −7.0 people
  6. =45Malmö101.0 people · −11.0 people
  7. =45Mjölby101.0 people · −11.0 people

Source: SCB via Kolada N01964. Definition: Net domestic migration

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Deep dive

See population & demographics in a national context

Read chapter: Demography →