Kyustendil's 2025 population is now estimated at 37,610. In 1946, the population of Kyustendil was 19,238. Kyustendil experienced a decrease of -6,922 residents over the past year, marking an annual decline of -1.2%.
37.6K
Total Population
-6.9K-1.2%
Growth
No
Capital of Bulgaria?
Kyustendil Population
Other Cities in Bulgaria
City
2025 Pop. ↓
Growth
Sofia
1,286,460
-0.08%
Plovdiv
347,170
-0.04%
Varna
334,289
-0.03%
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