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Population 1910 - 2020
1910
1,547
1920
2,366
1930
3,591
1940
3,686
1950
5,087
1960
7,160
1970
9,696
1980
12,205
1990
15,151
2000
19,640
2010
25,913
2015
28,200
2020
29,971
Hafnarfjörður takes its name (meaning harbour fjord) from the area's natural harbour. The town is built on top of Holocene lava fields erupted from the nearby Krýsuvík volcanic system, including the 8000-year-old Búrfellshraun and the much younger 2000-year-old Óbrinnishólabruni. There have been no new lava flows on the site since before the Settlement of Iceland, but the Krýsuvík system is still an active volcano, last erupting in 2021 at Fagradalsfjall further to the southwest.
Hafnarfjörður is first named in the medieval Landnámabók, and the earliest reports of voyages to Hafnarfjörður date from the end of the 14th century. Englishmen began trading in Hafnarfjörður in the 15th century, but German merchants followed in their wake and eventually drove the English out. In German documents, Hafnarfjörður was mentioned for the first time in 1391, and in another German document dating from 1486 the place was described as a trading place of merchants from Hamburg for the first time.
The town of Hafnarfjörður became an official member of the Hanseatic League. The first Lutheran church in Iceland was raised at Háigrandi [ˈhauːɪˌkrantɪ], opposite Óseyri [ˈouːsˌeiːrɪ], just outside the small boat harbour in 1533. After that, the Hanseatic traders prevailed in town until 1602, based at Hvaleyri [ˈkʰvaːlˌeiːrɪ]. At this point, the Danish monarchy established a Danish trade monopoly in Iceland which lasted until late in the 18th century. During this period, Hafnarfjörður was the nation's busiest trade centre.
In 1793, Bjarni Sívertsen settled here and became influential in local business and international trade, setting up a major commercial fishing operation. His enterprise and initiative signalled the start of impressive commerce in the town. Ever since, he has been called "the father of Hafnarfjörður" and nicknamed "Sir Bjarni". His house in Vesturgata street, built in 1803, was transformed into a museum (Sívertsenshús).
Around 1870, dramatic changes took place in Icelandic fishing. Residents followed the growing trend in Iceland of using decked boats rather than row-boats. This led to even more employment and rapid growth, and Hafnarfjörður was the fifth town in Iceland to attain official municipal status in 1908. The first mayor was Páll Einarsson, who later became the mayor of Reykjavík. The first road between Reykjavík and Hafnarfjörður was finished in 1898. The first hydrological power plant in Iceland was built in Hafnarfjörður in 1904.
In 1890 Hafnarfjörður had 616 inhabitants and it was one of the largest towns in Iceland. When Hafnarfjörður attained official municipal status on 1 June 1908 it had 1 400 inhabitants. In 1920 Hafnarfjörður had 2 366 inhabitants, in 1940 3 686, in 1960 7 160 and in 1980 12 312.
The Coot, Iceland's first trawler, operated from Hafnarfjörður between 1905 and 1908. Its boiler stands by the roundabout on the junction of Reykjavíkurvegur, Strandgata and Vesturgata. A harbour for large commercial ships was raised in 1912, and the first car arrived in 1913.
After World War II, more advanced trawlers and numerous motorised ships were added to the fleet. The town's first stern trawler appeared in 1973. Today, Hafnarfjörður is one of the nation's largest fishing centres and the site of Iceland's first fish wholesalers' auction market. Through the years, Hafnarfjörður's dynamic local economy has been strongly linked to fishing, although freight transport has recently become the major harbour activity. And now, the town is Iceland's second-ranked import and export harbour. Hafnarfjörður is the third largest town of Iceland, after Reykjavík and Kópavogur.
