Alter do Chão

Area of Alter do Chão	361.1 km²
Population	3,327
Male Population	1,569 (47.2%)
Female Population	1,758 (52.8%)
Population change from 1975 to 2015	-24%
Population change from 2000 to 2015	-14.4%
Median Age	52.3 years
Male Median Age	49.8 years
Female Median Age	54.5 years
Timezone	Western European Summer Time

Map of Alter do Chão

Population Over Time

Years 1975 to 2015

Data	1975	1990	2000	2015
Population	4,377	4,124	3,885	3,327
Population Density	12.1 / km²	11.4 / km²	10.8 / km²	9.21 / km²

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Population change from 2000 to 2015

Decrease of 14.4% from year 2000 to 2015

Location	Change since 1975	Change since 1990	Change since 2000
Alter do Chão	-24%	-19.3%	-14.4%
Portalegre	-15%	-13.1%	-10.3%
Portugal	+12.6%	+4.6%	+0.7%

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Median Age

Median Age: 52.3 years

Location	Median Age	Median Age (Male)	Median Age (Female)
Alter do Chão	52.3 years	49.8 years	54.5 years
Portalegre	47.3 years	45.5 years	49 years
Portugal	42.1 years	40.5 years	43.5 years

Sources: CIESIN (Center for International Earth Science Information Network)

Population By Age and Gender

Alter do Chão Population Tree

Age	Male	Female	Total
Under 5	47	59	106
5-9	52	67	120
10-14	70	64	134
15-19	78	67	146
20-24	79	71	151
25-29	80	80	161
30-34	96	81	178
35-39	87	90	177
40-44	92	86	178
45-49	106	121	228
50-54	106	103	209
55-59	114	115	229
60-64	102	103	205
65-69	79	103	183
70-74	90	130	220
75-79	128	157	285
80-84	98	129	227
85 Plus	64	133	197

Sources: CIESIN (Center for International Earth Science Information Network)

Population Density

Population Density: 9.21 / km²

Location	Population	Area	Population Density
Alter do Chão	3,327	361.1 km²	9.21 / km²
Portalegre	112,473	6,080.8 km²	18.5 / km²
Portugal	10.3 million	92,381 km²	111.4 / km²

Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Historical and Projected Population

Estimated Ancient Population until 2100

Year	Est. Population	Avg 10 Year Growth %	Avg 10 Year Growth
0	393	n/a	n/a
100	437	1.1%	4
200	437	0%	0
300	437	0%	0
400	437	0%	0
500	393	-1.1%	-4
600	349	-1.2%	-4
700	349	0%	0
800	349	0%	0
900	437	2.3%	8
1000	524	1.8%	8
1100	655	2.3%	13
1200	785	1.8%	13
1300	1,091	3.3%	30
1400	785	-3.2%	-30
1500	1,091	3.3%	30
1600	1,745	4.8%	65
1700	1,745	0%	0
1800	2,639	4.2%	89
1900	4,296	5%	165
1910	4,790	11.5%	494
1920	4,938	3.1%	148
1930	5,484	11.1%	546
1940	6,039	10.1%	555
1950	6,270	3.8%	231
1960	5,752	-8.3%	-518
1970	4,426	-23.1%	-1,326
1990	4,124	-3.5%	-151
2000	3,885	-5.8%	-239
2020	3,246	-8.6%	-319
2030	3,081	-5.1%	-165
2040	2,937	-4.7%	-144
2050	2,789	-5%	-148
2060	2,621	-6%	-168
2070	2,437	-7%	-184
2080	2,246	-7.8%	-191
2090	2,072	-7.7%	-174
2100	1,911	-7.8%	-161

Sources:
1. JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
2. CIESIN (Center for International Earth Science Information Network)
3. [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.

Human Development Index (HDI)

Statistic composite index of life expectancy, education, and per capita income.

Sources: [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

Top Neighborhoods in Alter do Chão

Neighborhoods and Areas of Alter do Chão

Name	Area	Population	Population Density
Alter Pedroso, Alter do Chão, Portugal	48,601 m²	45	2,398 / mi²
Alter do Chão, Portugal	1.38 km²	1,787	3,354 / mi²
Chancelaria, Alter do Chão, Portugal	0.289 km²	164	1,470 / mi²
Cunheira, Alter do Chão, Portugal	0.343 km²	214	1,616 / mi²
Seda, Alter do Chão, Portugal	0.265 km²	151	1,476 / mi²

Other Cities in Portalegre

Name	Area	Population	Population Density
Arronches, Portugal	315 km²	2,995	24.6 / mi²
Avis, Portugal	606.2 km²	4,251	18.2 / mi²
Campo Maior	247.6 km²	8,272	86.5 / mi²
Castelo de Vide	265 km²	3,158	30.9 / mi²
Crato, Portugal	398.4 km²	3,404	22.1 / mi²
Elvas	629.8 km²	22,418	92.2 / mi²
Fronteira	248.4 km²	3,195	33.3 / mi²
Gaviao, Portugal	295.3 km²	3,758	33.0 / mi²
Marvão	154.4 km²	3,238	54.3 / mi²
Monforte, Portugal	420.2 km²	3,219	19.8 / mi²
Nisa	572.1 km²	6,865	31.1 / mi²
Ponte de Sor	840 km²	15,772	48.6 / mi²
Portalegre	448.1 km²	23,914	138.2 / mi²
Sousel	279.2 km²	4,694	43.5 / mi²

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. See here for more information.