Postal Code 4445 - Alfena, Porto District
Porto District | Portugal
| Primary City | Alfena |
| Area of Postal Code 4445 | 18.9 km² |
| Population | 52,406 |
| Male Population | 24,968 (47.6%) |
| Female Population | 27,438 (52.4%) |
| Population change from 1975 to 2020 | +56.6% |
| Population change from 2000 to 2020 | +10.3% |
| Median Age | 40.5 years |
| Male Median Age | 39.1 years |
| Female Median Age | 41.8 years |
| Postal Code Extensions | 4445-000, 4445-001, 4445-002, 4445-003, 4445-004, 4445-005, 4445-006, 4445-007, 4445-008, 4445-009 More |
| Associated Cities | Ermesinde, Valongo |
| Neighborhoods | Aldeia Nova, Baguim, Costa, Formiga, Palmilheira, Porto, Rapadas, Sá, Travagem, Vilar, Vilar de Matos |
| Timezone | Western European Summer Time |
| Coordinates | 41.221800032658° / -8.55459992670293° |
| Related Postal Codes | 4414, 4415, 4420, 4424, 4425, 4440, 4450, 4454, 4455, 4459 |
Map of Postal Code 4445 - Alfena, Porto District
Interactive Map
Postal Code 4445 - Alfena, Porto District Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 33,470 | 41,833 | 47,521 | 53,739 | 52,406 | 53,600 | 54,640 |
| Population Density | 1,767.7 / km² | 2,209.4 / km² | 2,509.8 / km² | 2,838.2 / km² | 2,767.8 / km² | 2,830.9 / km² | 2,885.8 / km² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridPostal Code 4445 - Alfena, Porto District Population change from 2000 to 2020
Increase of 10.3% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Postal Code 4445 - Alfena, Porto District | +56.6% | +25.3% | +10.3% |
| Alfena | +9.5% | -12.9% | -23.3% |
| Porto District | +12% | +5% | +1.7% |
| Portugal | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Postal Code 4445 - Alfena, Porto District Median Age
Median Age: 40.5 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Postal Code 4445 - Alfena, Porto District | 40.5 yrs | 41.8 yrs | 39.1 yrs |
| Alfena | 39 yrs | 39.7 yrs | 38.2 yrs |
| Porto District | 40.5 yrs | 41.8 yrs | 39.1 yrs |
| Portugal | 42 yrs | 43.5 yrs | 40.4 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Postal Code 4445 Population Density
Population Density: 2,768 / km²
| Location | Population | Area | Density |
|---|---|---|---|
| Postal Code 4445 | 52,406 | 18.9 km² | 2,768 / km² |
| Alfena | 7,591 | 4.18 km² | 1,816 / km² |
| Porto District | 1.8 million | 2,334.1 km² | 777 / km² |
| Portugal | 10.3 million | 92,264.9 km² | 112 / km² |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Postal Code 4445 - Alfena, Porto District Historical and Projected Population
Estimated Population from 1600 to 2100
Sources:
- JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
- CIESIN (Center for International Earth Science Information Network)
- [Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.
Neighborhoods
Business Distribution by neighborhood in Postal Code 4445 - Alfena, Porto District
Area Codes
Percentage Area Codes used by businesses in Postal Code 4445 - Alfena, Porto District
Business Concentration in Postal Code 4445 - Alfena, Porto District
Industries
Business Distribution by Industry in Postal Code 4445 - Alfena, Porto District
| Industry Description | Number of Establishments | Average Age of Business |
|---|---|---|
| All food and beverage | 86 | 29 years |
| All membership organizations | 107 | — |
| Beauty salons | 124 | — |
| Cafes | 143 | 30.5 years |
| Car repair | 83 | 32.2 years |
| Clothing stores | 106 | 30.3 years |
| Construction of buildings | 71 | 31.1 years |
| Corporate management | 116 | 26.1 years |
| Education | 64 | 50.2 years |
| Electronics stores | 67 | 30.4 years |
| Grocery stores and supermarkets | 119 | 35.5 years |
| Real estate | 73 | 28.4 years |
| Restaurants | 177 | 30.5 years |
| Shopping | 229 | 29.7 years |
| Wholesale of construction supplies | 61 | 34.4 years |
| Wholesale of machinery | 61 | 32.3 years |
Business distribution by price for Postal Code 4445 - Alfena, Porto District
Human Development Index (HDI)
Statistic composite index of life expectancy, education, and per capita income.
Source: [Link] Kummu, M., Taka, M. &Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4
Postal Code 4445 - Alfena, Porto District Gross Domestic Product (GDP)
GDP per capita, PPP (constant 2017 international $)
| Data | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|---|
| GDP per capita | $26,147 | $25,302 | $27,208 | $29,753 | $30,199 | $39,104 | $40,489 | $30,825 |
| Total GDP | $727.5M | $732M | $825.8M | $927.4M | $960.1M | $1.3B | $1.3B | $1B |
Source: [Link] Kummu, M., Kosonen, M. & Masoumzadeh Sayyar, S. Downscaled gridded global dataset for gross domestic product (GDP) per capita PPP over 1990–2022. Sci Data 12, 178 (2025) doi:10.1038/s41597-025-04487-x
Postal Code 4445 CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Postal Code 4445 | 360,488 tn | 6.88 tn | 19,039.1 tons/km² |
| Alfena | 51,921 tn | 6.84 tn | 12,420.3 tons/km² |
| Porto District | 11,061,811 tn | 6.1 tn | 4,739.2 tons/km² |
| Portugal | 63,833,570 tn | 6.2 tn | 691.9 tons/km² |
Sources: [Link] Moran, D., Kanemoto K; Jiborn, M., Wood, R., Többen, J., and Seto, K.C. (2018) Carbon footprints of 13,000 cities. Environmental Research Letters DOI: 10.1088/1748-9326/aac72a
Postal Code 4445 CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 360,488 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 6.88 tn |
| 2013 CO2 emissions intensity (tonnes/km²/year) | 19,039.1 tons/km² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Flood | Medium (7) |
| Earthquake | Medium (4) |
* Risk, particularly concerning flood or landslide, may not be for the entire area.
Recent Nearby Earthquakes
Magnitude 3.0 and greater
| Date▼ | Time↕ | Magnitude↕ | Distance↕ | Depth↕ | Location↕ | Link |
|---|---|---|---|---|---|---|
| 5/1/15 | 6:43 PM | 3.3 | 33.8 km | 20,700 m | 4km SSW of Braga, Portugal | usgs.gov |
| 1/20/02 | 3:40 PM | 3.2 | 92.6 km | 2,400 m | Portugal | usgs.gov |
| 1/20/02 | 11:31 PM | 3.6 | 90.2 km | 6,600 m | Portugal | usgs.gov |
| 10/30/01 | 2:57 PM | 3.4 | 88.7 km | 11,500 m | Portugal | usgs.gov |
| 5/28/98 | 2:42 PM | 4.1 | 99.1 km | 9,200 m | Spain | usgs.gov |
| 6/12/97 | 5:17 PM | 3.2 | 86.3 km | 10,000 m | Portugal | usgs.gov |
| 12/31/96 | 9:44 AM | 3.5 | 89.9 km | 10,000 m | Portugal | usgs.gov |
| 6/8/96 | 4:49 AM | 3.1 | 50.8 km | 10,000 m | Portugal | usgs.gov |
| 4/7/95 | 8:36 AM | 3.1 | 59.6 km | 10,000 m | Portugal | usgs.gov |
| 10/19/94 | 11:01 PM | 3.4 | 65.9 km | 10,000 m | Portugal | usgs.gov |
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Source: U.S. Geological Survey (USGS)
Postal Code Extensions (659)
Primary City
Alfena is a Portuguese city and parish in the municipality of Valongo, Portugal. The population in 2011 was 15,211, in an area of 11.11 km².
Alfena Wikipedia Page
Cities
Percentage of businesses by city in Postal Code 4445 - Alfena, Porto District
About Our Data
The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies. Use at your own risk.