Regional Statistics
26,087
1,814
people/km²
59,263
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Population in Łomża County 2026
Łomża county ranks 247 of 380 Polish counties. Population shrank by 3,682 residents -5.85% between 2019-2024, now at 59,263.
Among 339 declining counties, in the bottom 40% for rate of decline. Within Podlaskie voivodeship, ranks 5 of 17 counties.
Based on 31 years of official GUS statistics for Łomża county and its 1 municipality within Podlaskie voivodeship.
Total Population Chart
Lowest at 59,263 in 2024
Highest at 64,605 in 1998
1995
29 years (+5 year forecast)
2024
Powiat Ranking
247/380 County in Poland
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Year over Year
since 2023
2024
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Vital Statistics
births and deaths
Age Structure
children, working age, and elderly
Gender
Age Distribution
from 0 to 75+ years
Łomża
1 municipality