Aalst

Arrondissement in Oost-Vlaanderen

Arrondissement

The population development of Aalst.

Name	Status	Population Census 1970-12-31	Population Census 1981-03-01	Population Census 1991-03-01	Population Estimate 2001-01-01	Population Census 2011-01-01	Population Estimate 2016-01-01	Population Census 2021-01-01	Population Estimate 2025-01-01
Aalst	Arrondissement	263,842	262,469	258,674	262,337	273,544	285,041	296,014	307,426	→
Oost-Vlaanderen [East Flanders]	Province	1,326,389	1,347,731	1,354,032	1,381,416	1,464,483	1,505,679	1,551,008	1,602,532

Contents: Cities and Municipalities

The population development of the cities and municipalities in Aalst.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, citizenship, country of birth).

Name	Status	Arrondissement	Population Census 1970-12-31	Population Census 1981-03-01	Population Census 1991-03-01	Population Estimate 2001-01-01	Population Census 2011-01-01	Population Estimate 2016-01-01	Population Census 2021-01-01	Population Estimate 2025-01-01
Aalst (Alost)	Municipality	Aalst	83,246	78,938	76,382	76,470	81,062	84,329	87,978	92,131	→
Denderleeuw	Municipality	Aalst	15,507	16,497	16,615	16,903	18,863	19,688	20,730	21,257	→
Erpe-Mere	Municipality	Aalst	17,977	18,930	18,778	19,101	19,412	19,720	20,286	21,117	→
Geraardsbergen (Grammont)	Municipality	Aalst	31,160	30,461	30,280	30,911	32,399	33,136	33,970	35,236	→
Haaltert	Municipality	Aalst	17,071	16,787	16,895	17,206	17,667	18,117	18,892	19,517	→
Herzele	Municipality	Aalst	15,704	15,826	15,730	16,476	17,216	17,550	18,414	19,179	→
Lede	Municipality	Aalst	16,450	17,249	17,080	16,943	17,889	18,399	18,980	19,425	→
Ninove	Municipality	Aalst	32,990	33,393	33,489	34,656	37,101	38,051	39,369	40,580	→
Sint-Lievens-Houtem	Municipality	Aalst	9,397	9,279	8,922	9,140	9,868	10,152	10,474	10,748	→
Zottegem	Municipality	Aalst	24,340	25,109	24,503	24,531	25,073	25,899	26,921	28,236	→

Source: Statistics Belgium.

Further information about the population structure:

Gender (E 2025)
Males	151,061
Females	156,365

Age Groups (E 2025)
0-17 years	59,991
18-64 years	181,697
65+ years	65,738

Age Distribution (E 2025)
90+ years	3,905
80-89 years	14,760
70-79 years	28,466
60-69 years	39,833
50-59 years	42,161
40-49 years	40,484
30-39 years	37,578
20-29 years	33,286
10-19 years	36,009
0-9 years	30,944

Citizenship (E 2025)
Belgium	283,331
EU 27 (w/o UK)	12,069
Europe (other)	2,451
Asia	3,591
Africa	5,012
America/Oceania	563

Country of Birth (E 2025)
Belgium	268,210
Other country	39,216