 Arnia has an average literacy rate of 65%, higher than the national average of 59.5%; with 57% of the males and 43% of females literate.12% of the population is under 6 years of age.Hindu 98.64%, Sikh 0.55%, and Muslim 0.07%, 

In recent years, Arnia has been subject to cease fire violations by Pakistan which has led to killing of civilians and destruction of villagers' properties.