Jyllinge is first mentioned in 1171 as Iuleghe, possibly derived from Iula, meaning "the yellow', an old name for Lilleø, and from Old Danish eki, meaning "oak forest".

The village consisted of a mixture of fishermen and farmers.
 The fishing took place from small boats on the fiord and was mainly for eal.
In 1861, the village had 28 fishermen and 21 boats.
The first primitive harbor was constructed in 1870.
It saw a modest expansion in 1906 and a boatyard opened in 1909.
In 1926, a group of fishermen founded Jyllinge Fish Exports.
A new harbor was constructed between 1956 and 1969.

The town has experienced considerable growth after World War II, prospering from its location near Roskilde and Copenhagen.
Jyllinge is first mentioned in 1171 as Iuleghe, possibly derived from Iula, meaning "the yellow', an old name for Lilleø, and from Old Danish eki, meaning "oak forest".
The village consisted of a mixture of fishermen and farmers.  The fishing took place from small boats on the fiord and was mainly for eal. In 1861, the village had 28 fishermen and 21 boats. The first primitive harbor was constructed in 1870. It saw a modest expansion in 1906 and a boatyard opened in 1909. In 1926, a group of fishermen founded Jyllinge Fish Exports. A new harbor was constructed between 1956 and 1969.
The town has experienced considerable growth after World War II, prospering from its location near Roskilde and Copenhagen.
Jyllinge