Postcode area · Monthey · Valais

1870 Monthey (Monthey): key figures

1870 Monthey (postcode area in Monthey) has 16,179 residents in 2025 across 15.9 km², or 1,016 people per km². By population, 1870 Monthey ranks No. 1 of 2 postcode areas in Monthey. Population: +9.8% between 2015 and 2025.

  • 16,179 residents
  • 15.9 km²
  • 1,016 people/km²

1870 Monthey in numbers

Population
16,179
ranked 106 of 2,275
+9.8%between 2015 and 2025
2015–2025
Population density
1,016people/km²
ranked 365 of 2,275
Area
15.9km²
ranked 642 of 3,168
Share of foreign nationals
39.4%
ranked 142 of 2,040
Dwellings
8,537
ranked 109 of 3,164
Residential buildings
1,556
ranked 188 of 3,160
Dwellings in buildings built before 1946
9.0%
ranked 2,938 of 3,164

Key points

By population, 1870 Monthey ranks No. 1 of 2 postcode areas in Monthey.

Nationally, 1870 Monthey ranks No. 106 of 2,275 postcode areas.

Population of 1870 Monthey over time

14,50015,00015,50016,00016,5002015202020232025
Population, 2015–2025

1870 Monthey had 14,733 residents in 2015 and 16,179 in 2025.

YearPopulation
201514,733
202014,904
202315,849
202516,179

All indicators for 1870 Monthey

Next to the value for 1870 Monthey: all postcode areas of Monthey, then of the whole country (totals for counts, weighted averages for rates).

1870 MontheyNational medianHover over or tap a bar to see what it shows.

Housing

Indicator1870 MontheyMontheySwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)8,537––ranked 1 of 2ranked 109 of 3,164
Residential buildings (2026)1,556––ranked 1 of 2ranked 188 of 3,160
Dwellings in buildings built before 1946 (2026)9.0%9.8%23.2%ranked 2 of 2ranked 2,938 of 3,164
Dwellings in buildings built since 2001 (2026)30.3%30.6%23.6%ranked 2 of 2ranked 792 of 3,164
Share of detached houses among residential buildings (2026)44.4%62.6%63.5%ranked 2 of 2ranked 2,936 of 3,160

Energy

Indicator1870 MontheyMontheySwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)62.5%48.2%56.2%ranked 1 of 2ranked 880 of 3,160
Heat pumps as main heating (2026)8.5%9.7%16.2%ranked 2 of 2ranked 2,175 of 3,160
Wood heating systems (2026)1.9%9.1%13.5%ranked 2 of 2ranked 2,962 of 3,160
District heating (2026)9.7%5.6%5.6%ranked 1 of 2ranked 376 of 3,160

Society

Indicator1870 MontheyMontheySwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)39.4%39.4%29.8%ranked 142 of 2,040

Where is 1870 Monthey?

Other postcode areas in Monthey

Postcode areas near 1870 Monthey

Next in alphabetical order: 1871 Choëx

The postcode areas of Monthey

Back to the page for Monthey

Frequently asked questions

What is the population of 1870 Monthey (Monthey)?

1870 Monthey has 16,179 residents in 2025. It covers 15.9 km², or 1,016 people per km².

Where is 1870 Monthey?

1870 Monthey (postcode area) is part of Monthey, in Valais.

What is the value of “Share of foreign nationals” in 1870 Monthey?

Share of foreign nationals: 39.4% (2025), ranked 142 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 1870 Monthey?

Dwellings: 8,537 (2026), ranked 109 of 3,164 postcode areas in the country.