The geography is still dominated by nature and agriculture and some lakes and streams, besides the urban areas.

The population in Vallentuna Municipality has the 12th highest median income per capita in Sweden,[3] although the share of highly educated persons, according to Statistics Sweden's definition: persons with post-secondary education that is three years or longer, is 28.6% and slightly over the national average, 27.0%.

[4] This is a demographic table based on Vallentuna Municipality's electoral districts in the 2022 Swedish general election sourced from SVT's election platform, in turn taken from SCB official statistics.

[6] On 31 December 2017 there were 33 175 residents in Vallentuna, of which 4 667 people (14.07%) were born in a country other than Sweden.

The municipality is served by the Stockholm public transport system through SL.

There are nine stops on the narrow gauge Roslagsbanan suburban railway as well as a bus network.