The size of Holsworthy is approximately 197 km2. There is 1 school and 1 childcare centre located in Holsworthy.

The population of Holsworthy in 2001 was 4,535 people. By 2006 the population was 4,205 showing a population decline of 7% in the area during that time.

The predominant age group in Holsworthy is 30 - 39 years.

Households in Holsworthy are primarily couples with children and are likely to be repaying between $1000.00 - $1200.00 per month on mortgage repayments.

In general, people in Holsworthy work in a non-specific occupation.

In 2001, 65% of the homes in Holsworthy were owner-occupied compared with 71% in 2006.

Currently the median sale price of houses in the area is $450,000.