According to the Census in 2002 in the municipality of Delchevo live 17,505 inhabitants, of which 11,536 or 66% in the municipal center, ie. the city of Delchevo. The average population density is 42.5 inhabitants / km2, which is below the average of the Republic of Macedonia of 78.8 inhabitants / km2.
There are 22 settlements with a population according to the following dynamics:

 Delchevo  11536
 Bigla  275
 Wind  114
 Whirlpool  494
 Vratislavci  36
 Gabrovo  799
 City  529
 Dramche  277
 Ѕвегор  882
 Илиово  127
 Sour cream  35
 Kosovo Dabje  21
 New Building  138
 Ochipala  92
 The field  194
 Razlovci  831
 Selnik  27
 Star Istevnik  67
 Workshop  530
 Turkey  103
 Chiflik  53
 Stammer  345
 Total  17505

Households: 5568
Average number of household members: 3.1
Apartments (all types of dwellings): 7163
Source: Statistical Yearbook of the Republic of Macedonia, 2005

The population growth rate in the period 1994 – 2002 is – 0.16, which is less than the average of the Republic, which is 0.48.
The average age of the population in the municipality of Delchevo is 36.8 years, and the aging index is 0.414.
Total population in the municipality of Delchevo according to the gender structure is 51% men and 49% women.
The literacy rate is 96.9%.

Total population in the municipality of Delchevo according to educational structure:

Total population in the municipality of Delchevo by nationality:

The population density in the municipality is 42 inhabitants per 1 km² and is 1.8 times lower than the average density in the Republic of Macedonia.
From the analysis of the population structure it was determined that the share of the working age population and the young population is higher in the city in relation to the rural areas. The average participation of the young population at the municipal level of 27.6% indicates favorable opportunities offered by human resources, as a factor for achieving future economic development. According to the planned forecasts, the population in the city increased in 2010, compared to 1994 by 13.7 %, and in 2020 by 29.8 %. The growth of the rural population will be at a slower pace and for the previously mentioned benchmark years the increase will be 11.5 % or 15.7% respectively.