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Sonnenberg

in Winterthur

Sonnenberg is one of 42 statistical quarters of Winterthur and belongs to district 3. Statistical quarters are the official subdivision of a municipality — they are not postal delivery areas and do not line up with postal codes.

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Residents
943
Median age
50.5
Foreign
10.5%
Swiss
89.5%
Density
748 per km²
Households
389
Avg. household size
2.4
Living space/person
57 m²
STATPOP 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Sonnenberg is a BFS statistical quarter and lies unambiguously in District 3 Seen of the municipality of Winterthur. No postal code belongs to a quarter, though: PLZ are Swiss Post delivery areas and overlap several quarters. The percentages say how much of each PLZ’s area lies in Sonnenberg — there is no clear-cut “belongs to” relation.

BFS quarter number230340
City districtDistrict 3 Seen
MunicipalityWinterthurBFS 230
CantonZurich
  • Vote results are not published per quarter — the result of the municipality of Winterthur applies. → Winterthur
  • Workplaces, climate, mobility and party strengths are published per municipality only — see Winterthur. → Winterthur

These postal codes overlap the quarter Sonnenberg. The percentage says how much of THAT POSTAL CODE’s area falls in this quarter — not the other way round.

Municipal tax multiplier125%
Cantonal tax multiplier95%
125%ZH range 71%128%
Tax rank 158 of 160 in canton Zurich
Tax burden
Single, 100'000 CHF gross income
12'132 CHF(12.1%)
Rank 158 of 160 in the canton · 332 of 2110 in Switzerland
Median canton 11'375 CHF · median Switzerland 15'290 CHF
Cheapest Zumikon 9'577 CHF · most expensive Bachs 12'273 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:12'132 CHF(~12.1%)
WinterthurCanton range ZurichSwitzerland median
Show data table
Gross incomeWinterthurZurichSwitzerland median
40'0005.4%4.2–5.5%5.4%
50'0006.7%5.2–6.8%7.8%
60'0008%6.2–8.1%10.5%
70'0009.1%7.1–9.2%11.9%
80'00010.2%8–10.3%13.1%
90'00011%8.6–11.1%14.1%
100'00012.1%9.6–12.3%15.3%
110'00013.1%10.4–13.3%16.3%
120'00013.9%11.1–14.1%17.2%
130'00014.7%11.7–14.8%18.1%
140'00015.5%12.5–15.7%19%
150'00016.3%13.1–16.5%19.7%
175'00018.2%14.7–18.4%21.6%
200'00019.9%16.2–20.1%23.2%
225'00021.4%17.5–21.6%24.6%
250'00022.9%18.8–23.1%25.8%
275'00024.1%19.8–24.3%26.8%
300'00025.1%20.7–25.3%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Tariff H428.09 Rp./kWh
Roof potential466 GWh/yr
Per inhabitant3'860 kWh/yr
All energy rankings →
Second homes6.7 %
Premium regionRegion 2
Ø premium in canton Zurich411 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set per canton and premium region. This area lies in premium region 2 of canton Zurich. Shown is the average adult premium paid across the whole canton Zurich (2024, BAG) — a region-specific average is not available in the cantonal data.

Map

OpenStreetMap · Quarter outline, district and municipality
Which municipality is the quarter Sonnenberg in?
The quarter Sonnenberg is a statistical quarter of the municipality of Winterthur. It has 943 residents (BFS, 2024).
What is the postal code of the quarter Sonnenberg?
Sonnenberg has no postal code of its own. Postal codes are delivery areas and do not follow quarter boundaries — 8405 overlap Sonnenberg.
Which BFS number does the Sonnenberg quarter carry?
The statistical quarter Sonnenberg carries BFS quarter code 230340; it starts with the BFS municipality number 230 of Winterthur.

Statistical quarters exist only for the 10 cities in the BFS City Statistics programme. The BFS keeps no quarter statistics for any other municipality.