„Höfuðborgarsvæðið“: Munur á milli breytinga

!align="left" | Mannfjöldi<ref>Hagstofa Íslands. [http://px.hagstofa.is/pxis/pxweb/is/Ibuar/Ibuar__mannfjoldi__2_byggdir__sveitarfelog/MAN02001.px/table/tableViewLayout1/?rxid=0384388d-8f65-488c-9c2e-06f27a51be4a Mannfjöldi eftir kyni, aldri og sveitarfélögum 1998-2015 - Sveitarfélagaskipan hvers árs]. ''Sótt 15. desember 2015''</ref>

!align="left" | Flatarmál (km²)<ref>Landmælingar Íslands. [http://atlas.lmi.is/kortasja/ Kortasjá]. ''Sótt 15. desember 2015''</ref>

!align="left" | Þéttleiki (Íbúar/km²)

!align="left" | [[Reykjavík]]

| align="right" | 121.822

| align="right" | 277,1

| align="right" | 440

!align="left" | [[Kópavogur]]

| align="right" | 33.205

| align="right" | 83,7

| align="right" | 397

!align="left" | [[Hafnarfjörður]]

| align="right" | 27.875

| align="right" | 143,3

| align="right" | 187

!align="left" | [[Garðabær]]

| align="right" | 14.453

| align="right" | 74,4

| align="right" | 195

!align="left" | [[Mosfellsbær]]

| align="right" | 9.300

| align="right" | 193,7

| align="right" | 48

!align="left" | [[Seltjarnarnes]]

| align="right" | 4.411

| align="right" | 2,3

| align="right" | 1.918

!align="left" | [[Kjósarhreppur]]

| align="right" | 216

| align="right" | 287,7

| align="right" | 0,8

|- class="sortbottom"

| align="right" | 211.282

| align="right" | 1.062,2

| align="right" | 199