The size of Lithgow is approximately 6 square kilometres. It has 8 parks covering nearly 5.1% of total area. The population of Lithgow in 2011 was 5,649 people. By 2016 the population was 5,211 showing a population decline of 7.8% in the area during that time. The predominant age group in Lithgow is 60-69 years. Households in Lithgow are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Lithgow work in a trades occupation. In 2011, 65% of the homes in Lithgow were owner-occupied compared with 62% in 2016. Currently the median sales price of houses in the area is $415,000.