[8] Tyumen is the largest city and the administrative center of the oblast, and the first Russian settlement east of the Ural Mountains.

The biggest rivers are the Tura, Tobol, Pyshma, Iset, Tavda, Ishim, Agan, Irtysh, Tanama, and Noska.

The hydro-geographical system is characterized with the prevalence of small rivers as well as the significant bogginess of their catchment areas and numerous lakes.

The duration of the period affected by frost ranges from 130 days per year in Tyumen to 210 or more in the tundra region.

In the list of specially protected areas of the south region there are 99 sites, including one international and three federal.

Since 1991, CPSU lost all the power, and the head of the Oblast administration, and eventually the governor was appointed/elected alongside elected regional parliament.

Ore minerals and precious stones discovered on the eastern slope of the Subpolar and Polar Urals (in particular, the deposits of Lead, copper, chromite).

The area is rich in fresh water resources, which are represented by large rivers - the Ob, Irtysh, Tobol, lakes (650 ths.)

The forest resources area is the third largest in the Russian Federation after the Krasnoyarsk Territory and the Irkutsk Region.

The main forest forming species are pine, birch, spruce, fir, aspen and larch.

As of 2016[update], the Nominal GDP in Tyumen Oblast(including Khanty–Mansi and Yamalo-Nenets Autonomous regions) reached ₽5,9 trillion[16][17]$104 billion ($28,000 per capita).

Gazprom, LUKoil and Gazpromneft, TNK-BP, Shell, Salym Petroleum Development N.V.[18] have representative offices in Tyumen.

6% of the population is composed of Muslims, 2% are adherents of the Slavic native faith (Rodnovery), and 0.4% to forms of Hinduism (Vedism, Krishnaism or Tantrism).

In addition, 34% of the population declares to be "spiritual but not religious", 11% is atheist, and 3.7% follows other religions or did not give an answer to the question.

[29] A minor planet 2120 Tyumenia discovered in 1967 by Soviet astronomer Tamara Mikhailovna Smirnova is named after the Tyumen Oblast.