Aiud: population and statistics
Aiud has a population of 23,600 (2026) across 138.1 km², or 171 people per km². It ranks 95 of 3,181 localities by population. Its population is falling: −10.4% between 2016 and 2026.
- 23,600 residents
- 138.1 km²
- 171 people/km²
Key points
Among the 78 localities in Alba County, Aiud ranks No. 4 by population.
People settling in the municipality per 1,000 inhabitants: 7.5 ‰ in Aiud, compared with an average of 14.6 ‰ in Alba County and 18.5 ‰ nationally.
Aiud: the most common activity among active businesses is Retail trade (except motor vehicles) (429 businesses).
Aiud in numbers
Where is Aiud?
Neighbouring localities
- Rădești7.4 km · 1,228
- Mirăslău8.6 km · 1,824
- Stremț11 km · 2,357
- Teiuș13 km · 6,823
- Lopadea Nouă13 km · 2,437
- Unirea13 km · 4,644
- Ocna Mureș14 km · 13,275
- Galda de Jos15 km · 4,211
Localities of similar size
Population of Aiud over time
Aiud had 26,327 residents in 2016 and 23,600 in 2026.
| Year | Population (by registered residence) |
|---|---|
| 2021 | 25,148 |
| 2022 | 24,748 |
| 2023 | 24,486 |
| 2024 | 24,178 |
| 2025 | 23,858 |
| 2026 | 23,600 |
Did you know?
- “People settling in the municipality per 1,000 inhabitants”: lower than in 97% of localities.
- “Existing dwellings”: higher than in 97% of localities.
- “Doctors per 1,000 inhabitants”: higher than in 96% of localities.
- Its area is roughly equal to 19,342 football pitches.
- The nearest locality is Rădești, 7.4 km away.
- The nearest more populous locality is Alba Iulia (74,137 residents), 28 km away.
All indicators for Aiud
Value for the locality, then the regional average and the national median (for counts: regional and national totals). The gauge places the locality between the lowest and highest value in the country.
Population
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| People settling in the municipality per 1,000 inhabitants (2025) | 7.5 ‰ | 14.6 ‰ | 16.0 ‰ | ranked 3,072 of 3,163 | |
| People leaving the municipality per 1,000 inhabitants (2025) | 11.9 ‰ | 15.2 ‰ | 17.3 ‰ | ranked 2,815 of 3,163 | |
| Live births per 1,000 inhabitants (2025) | 5.4 ‰ | 6.3 ‰ | 6.9 ‰ | ranked 2,332 of 3,157 | |
| Deaths per 1,000 inhabitants (2025) | 12.8 ‰ | 11.6 ‰ | 13.0 ‰ | ranked 1,639 of 3,163 |
Housing
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the drinking-water network per 1,000 inhabitants (2025) | 4.44 km | 6.67 km | 7.67 km | ranked 2,161 of 2,728 | |
| Building permits for residential buildings per 1,000 inhabitants (2025) | 1.23 ‰ | 1.83 ‰ | 1.53 ‰ | ranked 1,438 of 2,438 | |
| Existing dwellings (2025) | 11,191 | 175,151 | 10,177,161 | ranked 91 of 3,181 | |
| Dwellings per 1,000 inhabitants (2025) | 474.2 ‰ | 486.3 ‰ | 484.8 ‰ | ranked 1,719 of 3,163 | |
| Average living floor area per dwelling (m²) (2025) | 49.5 m² | 51.9 m² | 50.3 m² | ranked 1,668 of 3,163 | |
| Dwellings completed in the year per 1,000 inhabitants (2025) | 0.38 ‰ | 2.51 ‰ | 1.30 ‰ | ranked 1,687 of 1,926 |
Energy
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Length of the gas distribution network per 1,000 inhabitants (2025) | 4.36 km | 5.64 km | 6.17 km | ranked 695 of 1,006 | |
| Natural gas distributed per inhabitant (m³) (2025) | 394 m³ | 14,024 m³ | 325,688 m³ | ranked 262 of 1,023 |
Economy
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Active companies in the trade register per 1,000 inhabitants (2026) | 47.8 ‰ | 53.1 ‰ | 29.4 ‰ | ranked 564 of 3,163 | |
| Companies registered in the last 12 months per 1,000 inhabitants (2026) | 1.86 ‰ | 3.50 ‰ | 2.10 ‰ | ranked 1,797 of 3,163 |
Employment
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Average number of employees per 1,000 inhabitants (2024) | 250 ‰ | 268 ‰ | 71 ‰ | ranked 287 of 3,163 | |
| Registered unemployed as a share of labour resources (working-age population) (2026) | 1.7% | 2.7% | 2.3% | ranked 1,928 of 3,163 |
Tourism
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Tourist overnight stays per inhabitant (2025) | 0.2 nights | 1.5 | 0.4 | ranked 741 of 1,250 | |
| Tourist arrivals per 1,000 inhabitants (2025) | 151 ‰ | 852 ‰ | 200 ‰ | ranked 707 of 1,250 | |
| Tourist accommodation places per 1,000 inhabitants (2025) | 10.1 ‰ | 28.1 ‰ | 11.8 ‰ | ranked 756 of 1,362 |
Environment
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Drinking water distributed per inhabitant (m³) (2025) | 43.5 m³ | 36.4 m³ | 27.2 m³ | ranked 557 of 2,656 | |
| Length of the sewer network per 1,000 inhabitants (2025) | 3.07 km | 3.91 km | 4.05 km | ranked 1,070 of 1,695 |
Health
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| Doctors per 1,000 inhabitants (2024) | 3.43 ‰ | 2.02 ‰ | 0.52 ‰ | ranked 126 of 2,833 | |
| Family doctors per 1,000 inhabitants (2024) | 0.30 ‰ | 0.46 ‰ | 0.46 ‰ | ranked 2,311 of 2,807 | |
| Pharmacists per 1,000 inhabitants (2024) | 0.85 ‰ | 0.77 ‰ | 0.47 ‰ | ranked 369 of 2,248 |
Education
| Indicator | Aiud | Alba County | National | Position? | Rank |
|---|---|---|---|---|---|
| School population (children, pupils and students) per 1,000 inhabitants (2025) | 153 ‰ | 153 ‰ | 91 ‰ | ranked 314 of 3,158 | |
| Education units per 10,000 inhabitants (2025) | 3.0 per 10,000 inh. | 3.8 per 10,000 inh. | 3.6 per 10,000 inh. | ranked 1,916 of 3,122 |
Businesses by activity: Aiud
Active businesses in the business register with a recorded activity, by section and by activity (NACE Rev. 2). Only activities with at least 3 businesses are shown.
By industry section
- Wholesale and retail trade617 · 23.5%
- Transport and storage298 · 11.3%
- Manufacturing227 · 8.6%
- Professional, scientific and technical221 · 8.4%
- Administrative and support services211 · 8.0%
- Construction210 · 8.0%
- Accommodation and food services152 · 5.8%
- Real estate123 · 4.7%
Most common activities
- Retail trade (except motor vehicles)429 · 16.3%
- Wholesale trade (except motor vehicles)358 · 13.6%
- Land transport and transport via pipelines254 · 9.7%
- Specialised construction activities172 · 6.5%
- Construction of buildings144 · 5.5%
- Warehousing and transport support activities132 · 5.0%
- Food and beverage service activities132 · 5.0%
- Real estate activities123 · 4.7%
- Other professional, scientific and technical activities101 · 3.8%
- Office administration and business support activities100 · 3.8%
Frequently asked questions
What is the population of Aiud?
Aiud has 23,600 residents (2026), ranking 95 of 3,181 localities.
How big is Aiud?
Aiud covers 138.1 km², with a density of 171 people per km².
Is the population of Aiud growing?
Between 2016 and 2026, the population of Aiud went from 26,327 to 23,600, a change of −10.4%.
Where is Aiud?
Aiud is in Alba County. Latitude 46.310, longitude 23.717.
People settling in the municipality per 1,000 inhabitants: what is the figure for Aiud?
In Aiud, “People settling in the municipality per 1,000 inhabitants” stands at 7.5 ‰ (2025), ranking 3,072 of 3,163 localities; the national median is 16.0 ‰.
Existing dwellings: what is the figure for Aiud?
In Aiud, “Existing dwellings” stands at 11,191 (2025), ranking 91 of 3,181 localities; the national median is 1,464.
Which localities border Aiud?
The nearest to Aiud are Rădești (7.4 km), Mirăslău (8.6 km), Stremț (11 km), Teiuș (13 km), Lopadea Nouă (13 km).