---
entity_id: city:dk:slug:sonderborg
entity_type: city
name: "Sønderborg"
country_code: DK
country: Denmark
slug: sonderborg
canonical_url: https://immigrationdb.com/cities/dk/sonderborg/
json_url: https://immigrationdb.com/data/cities/dk/sonderborg.json
markdown_url: https://immigrationdb.com/data/cities/dk/sonderborg.md
mcp_uri: immigrationdb://city/dk/sonderborg
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-07-31
fact_count: 11
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Sønderborg

Sønderborg is a city in Denmark, with a population of 74,000 at the start of 2024. The unemployment rate was 2.6% in November 2025. For Sønderborg, the foreign population count was 10,822 at the start of 2026.

## Population

The city covered 496.5 km² in 2026. Population density was 149 people per km² in 2026.

## Mobility

The nearest airport was SGD, 6.1 km away, with 1 listed destinations in June 2026. Car density was 550 vehicles per 1,000 residents at the start of 2026.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 10,822 people | city | 2026-01-01 | 2026-07-15 | fresh | verified | [1] |
| Population | `population_total` | 74,000 people | place | 2024-01-01 | 2026-07-14 | stale | verified | [2] |
| Unemployment rate | `unemployment_total_percent` | 2.6 % | city | 2025-11-30 | 2026-07-26 | aging | verified | [3] |
| Average temperature by month | `climate_monthly_mean_c` | Jan 2.3 · Feb 2 · Mar 3.7 · Apr 7.2 · May 11.5 · Jun 14.8 · Jul 17.3 · Aug 17.7 · Sep 14.7 · Oct 10.7 · Nov 6.6 · Dec 3.6 °C | nearest_station | 2020-12-31 | 2026-07-31 | stale | verified | [4] |
| Cars per 1,000 residents | `car_density_per_1000` | 550 cars/1000 residents | city | 2026-01-01 | 2026-07-15 | fresh | verified | [1] |
| City area | `city_area_km2` | 496.5 km2 | city | 2026-01-01 | 2026-07-15 | fresh | verified | [1] |
| Recorded incidents per 100,000 residents | `crime_incidents_per_100k` | 4,881.2061 offences/100k | city | 2025-12-31 | 2026-07-27 | aging | verified | [5] |
| Population density | `population_density_per_km2` | 149 people/km² | city | 2026-01-01 | 2026-07-15 | fresh | verified | [1] |
| Destinations from nearest airport | `nearest_airport_destinations_count` | 1 count | city | 2026-06-13 | 2026-06-13 | fresh | verified | [6] |
| Nearest airport | `nearest_airport_iata` | SGD code | city | 2026-06-13 | 2026-06-13 | fresh | verified | [7] |
| Distance to nearest airport | `nearest_airport_km` | 6.1 km | city | 2026-06-13 | 2026-06-13 | fresh | verified | [7] |

Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed.

## Sources

1. DST FOLK1D: population at the first day of the quarter, total sex, total age, STATSB=UDLAND (Foreign citizen). This is citizenship, not foreign-born or foreign-origin population. — Official source — https://api.statbank.dk/v1/data
2. DST KOM kommunekode source register; exact municipality row keyed by kommunekode. — Official source — https://www.dst.dk/da/TilSalg/data-til-forskning/generelt-om-data/dokumentation-af-data/hoejkvalitetsvariable/folketal/kom
3. StatBank Denmark AUP02 — unemployed in per cent of the labour force — Official source — https://api.statbank.dk/v1/data/AUP02/CSV
4. WMO Climatological Normals 1991-2020 — station KEGAES_FYR_06119.csv — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/Denmark/CSV/KEGAES_FYR_06119.csv
5. StatBank Denmark STRAF11 — reported criminal offences, municipality, all offence types — Official source — https://api.statbank.dk/v1/data/STRAF11/CSV
6. OpenFlights — routes.dat — Official source — https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat
7. OurAirports — airports.csv — Official source — https://davidmegginson.github.io/ourairports-data/airports.csv

## Cite

ImmigrationDB. "Sønderborg, Denmark." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-07-31. https://immigrationdb.com/cities/dk/sonderborg/

Reuse requires the direct source URL, the observation date and a link back to the ImmigrationDB page: https://immigrationdb.com/about/copyright/

## Data

- HTML: https://immigrationdb.com/cities/dk/sonderborg/
- JSON: https://immigrationdb.com/data/cities/dk/sonderborg.json
- Markdown: https://immigrationdb.com/data/cities/dk/sonderborg.md
- MCP resource: immigrationdb://city/dk/sonderborg
- Metric dictionary: https://immigrationdb.com/data/metrics.json
- All published city facts, one row each: https://immigrationdb.com/data/facts.ndjson.gz
- Release catalog: https://immigrationdb.com/data/catalog.json