Population
3'807↑0.2%
About Unterkulm
City · Aargau
Unterkulm is a municipality in the district of Kulm in the canton of Aargau in Switzerland.
Population
3'807
Tax multiplier
115%
Unterkulm in numbers
Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.115%
Above average in canton
Median taxable income
CHF 47'900
Bottom 10% in canton
Median net income
CHF 53'875↑1.2%
75%
Cantonal tax multiplier
103%↓7.2%
1.03%↑41.1%
Middle in canton
- Agriculture46%
- Forest39%
- Settlement15%
- Other0%
Foreign residents
33.4%↑1.0%
Top quartile in canton
Median rent
CHF 21/ m²
+18% vs CH
Dwellings
1'748↑6.3%
Jobs (FTE)
894↓3.8%
93%
4%
Fibre
Housing market in Unterkulm
The rental vacancy rate is 1.03%, 13% below the cantonal average (1.19 %) — a tight rental market. The municipal tax multiplier (Steuerfuss) is 115%, 11% above the cantonal average (104 %). Median taxable income is CHF 55'000, 11% below the Swiss median (CHF 61'929). Unterkulm has 3'807 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
