Municipality · Graz Umgebung · Styria

Semriach: population and statistics

Semriach has a population of 3,153 (2026) across 60.4 km², or 52.2 people per km². It ranks 557 of 2,092 municipalities by population. Its population is falling: −5.4% between 2016 and 2026.

  • 3,153 residents
  • 60.4 km²
  • 52 people/km²
  • 715 m
Location map: Semriach

Semriach in numbers

Population
3,153
ranked 557 of 2,092 −5.4%
Population density
52people/km²
ranked 1,320 of 1,982
Area
60.4km²
ranked 358 of 2,092
Elevation
715m
ranked 446 of 2,087
Municipal debt per inhabitant
3,970€
ranked 116 of 1,976
Average household size
2.62persons
ranked 187 of 1,981
Share of women
49.3%
ranked 1,537 of 1,982
Share of out-commuters among employed persons by place of residence
69.0%
ranked 1,522 of 1,981

Key points

Among the 285 municipalities in Styria, Semriach ranks No. 101 by population.

Municipal debt per inhabitant: 3,970 € in Semriach, compared with an average of 2,098 € in Styria and 1,719 € nationally.

Largest business sector: Wholesale and retail trade, with 23.0% of the area's trade licences.

A 1 kWp solar panel tilted at 40° generates about 1,187 kWh a year here.

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Population of Semriach over time

3,1143,1983,2813,3652016: 3,3342017: 3,3362018: 3,3232019: 3,3052020: 3,2912021: 3,2622022: 3,2792023: 3,2092024: 3,2022025: 3,1432026: 3,153201620182020202220242026

Semriach had 3,334 residents in 2016 and 3,153 in 2026.

YearPopulation
20213,262
20223,279
20233,209
20243,202
20253,143
20263,153

All indicators for Semriach

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

IndicatorSemriachStyriaNationalPositionRank
Share of people under 15 (2026)14.2%13.3%14.5%ranked 1,092 of 1,982
Share of people aged 65 and over (2026)23.7%22.6%22.1%ranked 652 of 1,982
Median age (2026)48.7 years–46.2ranked 547 of 1,982
Share of women (2026)49.3%50.6%50.3%ranked 1,537 of 1,982

Housing

IndicatorSemriachStyriaNationalPositionRank
Private households (2024)1,180571,4424,139,571ranked 650 of 2,091
Average household size (2024)2.62 persons–2.35ranked 187 of 1,981

Economy

IndicatorSemriachStyriaNationalPositionRank
Enterprises (2024)342105,495743,940ranked 385 of 2,091
Establishments (2024)365121,407850,266ranked 414 of 2,091
Establishments per 1,000 inhabitants (2024)115.596.391.3ranked 330 of 1,981
Active trade licences (2026)363128,664945,381ranked 494 of 2,088
Trade licences per 1,000 inhabitants (2026)115.1102.198.4ranked 497 of 1,978
Municipal taxes and levies per inhabitant (2019)280 €543 €344 €ranked 1,262 of 1,976
Municipal debt per inhabitant (2019)3,970 €2,098 €1,414 €ranked 116 of 1,976

Employment

IndicatorSemriachStyriaNationalPositionRank
Employment rate (aged 15 to 64) (2024)78.0%74.9%77.4%ranked 849 of 1,981
Unemployment rate (aged 15 and over) (2024)2.7%5.3%3.5%ranked 1,384 of 1,981
Persons employed in establishments in the municipality (2024)931664,3184,878,849ranked 730 of 2,091
Jobs per 100 inhabitants (2024)29.552.832.4ranked 1,116 of 1,981

Transport

IndicatorSemriachStyriaNationalPositionRank
Share of out-commuters among employed persons by place of residence (2024)69.0%59.0%77.3%ranked 1,522 of 1,981

Society

IndicatorSemriachStyriaNationalPositionRank
Share of foreign nationals (2024)5.2%14.5%8.5%ranked 1,476 of 1,981
Families (2024)903351,2512,490,615ranked 561 of 2,091

Business sectors: Semriach

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

Sunshine and temperatures: Semriach

Annual solar output
1,187kWh
for 1 kWp tilted at 40°
Warmest month
18.6°C
July
Coldest month
−1.8°C
January
Most productive month
130kWh
July

Jan: 69 kWhJanFeb: 84 kWhFebMar: 111 kWhMarApr: 117 kWhAprMay: 117 kWhMayJun: 120 kWhJunJul: 130 kWhJulAug: 120 kWhAugSep: 104 kWhSepOct: 90 kWhOctNov: 64 kWhNovDec: 62 kWhDec0 °CJan: −1.8 °CFeb: −0.5 °CMar: 3.4 °CApr: 8.5 °CMay: 12.5 °CJun: 16.9 °CJul: 18.6 °CAug: 17.7 °CSep: 13.6 °COct: 8.8 °CNov: 3.7 °CDec: −0.9 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Where is Semriach?

Frequently asked questions

What is the population of Semriach?

Semriach has 3,153 residents (2026), ranking 557 of 2,092 municipalities.

How big is Semriach?

Semriach covers 60.4 km², with a density of 52 people per km².

Is the population of Semriach growing?

Between 2016 and 2026, the population of Semriach went from 3,334 to 3,153, a change of −5.4%.

Where is Semriach?

Semriach is in Styria. It belongs to Graz Umgebung (district). Latitude 47.218, longitude 15.403.

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

In Semriach, “Municipal debt per inhabitant” stands at 3,970 € (2019), ranking 116 of 1,976 municipalities; the national median is 1,414 €.

Average household size: what is the figure for Semriach?

In Semriach, “Average household size” stands at 2.62 persons (2024), ranking 187 of 1,981 municipalities; the national median is 2.35 persons.

How much electricity does a solar panel produce in Semriach?

In Semriach, a 1 kWp south-facing system tilted at 40° produces about 1,187 kWh a year.

Which municipalities border Semriach?

The nearest to Semriach are Peggau (4.6 km), Deutschfeistritz (5.5 km), Sankt Radegund bei Graz (7.7 km), Frohnleiten (8.4 km), Stattegg (9.0 km).