Municipality · Mödling · Lower Austria

Achau: population and statistics

Achau has a population of 1,736 (2026) across 11.9 km², or 146 people per km². It ranks 1,106 of 2,092 municipalities by population. Its population is growing: +23.8% between 2016 and 2026.

  • 1,736 residents
  • 11.9 km²
  • 146 people/km²
  • 169 m
Location map: Achau

Achau in numbers

Population
1,736
ranked 1,106 of 2,092 +23.8%
Population density
146people/km²
ranked 474 of 1,982
Area
11.9km²
ranked 1,743 of 2,092
Elevation
169m
ranked 1,991 of 2,087
Share of people aged 65 and over
15.7%
ranked 1,952 of 1,982
Municipal debt per inhabitant
6,023€
ranked 30 of 1,976
Share of people aged 15 and over with a university, academy or college qualification as highest qualification
18.2%
ranked 166 of 1,981
Employment rate (aged 15 to 64)
80.6%
ranked 250 of 1,981

Key points

Among the 573 municipalities in Lower Austria, Achau ranks No. 289 by population.

Share of people aged 65 and over: 15.7% in Achau, compared with an average of 22.2% in Lower Austria and 20.7% nationally.

Municipal debt per inhabitant: 6,023 € in Achau, compared with an average of 2,123 € in Lower Austria and 1,719 € nationally.

Largest business sector: Wholesale and retail trade, with 27.4% of the area's trade licences.

A 1 kWp solar panel tilted at 38° generates about 1,187 kWh a year here.

Did you know?

Population of Achau over time

1,3521,4971,6411,7862016: 1,4022017: 1,4232018: 1,4152019: 1,4302020: 1,4332021: 1,4022022: 1,5172023: 1,5922024: 1,6912025: 1,7272026: 1,736201620182020202220242026

Achau had 1,402 residents in 2016 and 1,736 in 2026.

YearPopulation
20211,402
20221,517
20231,592
20241,691
20251,727
20261,736

All indicators for Achau

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

Population

IndicatorAchauLower AustriaNationalPositionRank
Share of people under 15 (2026)19.0%14.3%14.5%ranked 28 of 1,982
Share of people aged 65 and over (2026)15.7%22.2%22.1%ranked 1,952 of 1,982
Median age (2026)41.5 years–46.2ranked 1,886 of 1,982
Share of women (2026)51.0%50.8%50.3%ranked 474 of 1,982

Housing

IndicatorAchauLower AustriaNationalPositionRank
Private households (2024)757760,9134,139,571ranked 1,061 of 2,091
Average household size (2024)2.26 persons–2.35ranked 1,333 of 1,981

Economy

IndicatorAchauLower AustriaNationalPositionRank
Enterprises (2024)122142,917743,940ranked 1,316 of 2,091
Establishments (2024)152163,268850,266ranked 1,171 of 2,091
Establishments per 1,000 inhabitants (2024)89.094.591.3ranked 1,091 of 1,981
Active trade licences (2026)203193,063945,381ranked 961 of 2,088
Trade licences per 1,000 inhabitants (2026)116.9111.698.4ranked 444 of 1,978
Municipal taxes and levies per inhabitant (2019)1,396 €520 €344 €ranked 41 of 1,976
Municipal debt per inhabitant (2019)6,023 €2,123 €1,414 €ranked 30 of 1,976

Employment

IndicatorAchauLower AustriaNationalPositionRank
Employment rate (aged 15 to 64) (2024)80.6%75.2%77.4%ranked 250 of 1,981
Unemployment rate (aged 15 and over) (2024)3.6%4.9%3.5%ranked 929 of 1,981
Persons employed in establishments in the municipality (2024)984804,7564,878,849ranked 690 of 2,091
Jobs per 100 inhabitants (2024)57.646.632.4ranked 278 of 1,981

Transport

IndicatorAchauLower AustriaNationalPositionRank
Share of out-commuters among employed persons by place of residence (2024)83.7%73.0%77.3%ranked 293 of 1,981

Society

IndicatorAchauLower AustriaNationalPositionRank
Share of foreign nationals (2024)11.7%12.4%8.5%ranked 635 of 1,981
Families (2024)471490,2052,490,615ranked 1,201 of 2,091

Education

Business sectors: Achau

Share of each sector in total trade licences; “×1.5” means the sector is 1.5 times more common than nationally.

Sunshine and temperatures: Achau

Annual solar output
1,187kWh
for 1 kWp tilted at 38°
Warmest month
21.7°C
July
Coldest month
0.7°C
January
Most productive month
139kWh
July

Jan: 48 kWhJanFeb: 70 kWhFebMar: 107 kWhMarApr: 130 kWhAprMay: 132 kWhMayJun: 134 kWhJunJul: 139 kWhJulAug: 131 kWhAugSep: 114 kWhSepOct: 85 kWhOctNov: 52 kWhNovDec: 44 kWhDec0 °CJan: 0.7 °CFeb: 2.0 °CMar: 5.8 °CApr: 11.1 °CMay: 15.1 °CJun: 19.8 °CJul: 21.7 °CAug: 20.7 °CSep: 16.3 °COct: 11.1 °CNov: 6.0 °CDec: 1.9 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Where is Achau?

Frequently asked questions

What is the population of Achau?

Achau has 1,736 residents (2026), ranking 1,106 of 2,092 municipalities.

How big is Achau?

Achau covers 11.9 km², with a density of 146 people per km².

Is the population of Achau growing?

Between 2016 and 2026, the population of Achau went from 1,402 to 1,736, a change of +23.8%.

Where is Achau?

Achau is in Lower Austria. It belongs to Mödling (district). Latitude 48.067, longitude 16.383.

Share of people aged 65 and over: what is the figure for Achau?

In Achau, “Share of people aged 65 and over” stands at 15.7% (2026), ranking 1,952 of 1,982 municipalities; the national median is 22.1%.

Municipal debt per inhabitant: what is the figure for Achau?

In Achau, “Municipal debt per inhabitant” stands at 6,023 € (2019), ranking 30 of 1,976 municipalities; the national median is 1,414 €.

How much electricity does a solar panel produce in Achau?

In Achau, a 1 kWp south-facing system tilted at 38° produces about 1,187 kWh a year.

Which municipalities border Achau?

The nearest to Achau are Laxenburg (2.5 km), Biedermannsdorf (3.3 km), Himberg (3.7 km), Münchendorf (4.1 km), Maria-Lanzendorf (4.6 km).