- Distance from Hobart CBD: 51km (31.7 miles)
- Approximate size for this postcode: 174.6 km²
- Other suburbs with same post code: Fortescue,
- Total of population in this suburb in year 2011 : 249 people
- Median age persons in 2011 was: 54 years old
- Most of people in Port Arthur were born in Australia
- Ancestors were mostly from: Australian
- Median individual income in 2011 was: $397 per week
- Median family income was: $733 per week
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