Norway: Oslo City

flag Contents: Oslo

Municipality

693,494 Population [2020] – estimate

728,714 Population [2026] – estimate

426.4km² Area

1,709/km² Density [2026]

Contents: Boroughs

The population of the boroughs of Oslo.

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

Name	Status	Population Estimate 2006-01-01	Population Estimate 2013-01-01	Population Estimate 2020-01-01	Population Estimate 2026-01-01
Alna	Borough	44,482	48,062	49,801	50,786	→
Bjerke	Borough	24,606	29,617	33,422	37,538	→
Frogner	Borough	46,047	53,573	59,269	60,321	→
Gamle Oslo	Borough	36,557	46,290	58,671	64,920	→
Grorud	Borough	25,032	26,888	27,707	28,366	→
Grünerløkka	Borough	38,946	50,507	62,423	67,039	→
Marka	City Forest	1,924	1,624	1,610	1,683	→
Nordre Aker	Borough	41,656	48,413	52,327	56,137	→
Nordstrand	Borough	43,824	48,347	52,459	55,286	→
Østensjø	Borough	43,547	47,806	50,806	52,349	→
Sagene	Borough	30,414	37,053	45,089	48,325	→
Sentrum [City Center]	Borough	603	970	1,471	1,486	→
Søndre Nordstrand	Borough	33,863	36,659	39,066	39,312	→
St. Hanshaugen	Borough	28,287	34,982	38,945	39,893	→
Stovner	Borough	28,656	30,752	33,316	34,709	→
Ullern	Borough	27,599	31,443	34,569	35,805	→
Vestre Aker	Borough	40,878	45,715	50,157	52,589	→
Oslo	Municipality	538,411	623,966	693,494	728,714

Source: Statistics Norway.

Further information about the population structure:

Gender (E 2026)
Males	362,607
Females	366,107

Age Groups (E 2026)
0-17 years	131,594
18-64 years	497,767
65+ years	99,353

Age Distribution (E 2026)
90+ years	4,565
80-89 years	21,260
70-79 years	44,436
60-69 years	63,892
50-59 years	85,932
40-49 years	100,805
30-39 years	140,427
20-29 years	120,665
10-19 years	73,110
0-9 years	73,622

Citizenship (E 2026)
Norway	624,449
Foreign Citizenship	104,245