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Castletown, Australia
Western Australia · Australia
Castletown is a small town in Western Australia, Australia with a population of 3,901. Elevation: 26 ft (8 m). Average temperature: 62°F (17°C).
Data updated June 2026
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About Castletown
Castletown is a north-eastern suburb of Esperance, a town in south-eastern Western Australia. Its local government area is the Shire of Esperance.
People
Economy
BHousing
BClimate
| Population | 3,901 |
| Population Density | 2,807 / sq mi |
| Elevation | 26 ft (8 m) |
| Coordinates | -33.8324°, 121.9156° |
| Timezone | Australia/Perth |
| Country | 🇦🇺 Australia |
| State / Province | Western Australia |
| Average Temperature | 62°F (17°C) |
| January Average | 67°F (19°C) |
| July Average | 56°F (13°C) |
| Annual Precipitation | 26.9 inches (684 mm) |
| Annual Snowfall | 0.1 inches (0 cm) |
| Median Household Income | $28,155 |
| Median Age | 38.0 years |
About Castletown
Castletown is a small town in Australia (Western Australia) with a population of 3,901. The city sits at an elevation of 26 feet (8 meters) above sea level. The average annual temperature is 62°F (17°C). Temperatures range from 67°F in January to 56°F in July. Annual precipitation averages 26.9 inches. The timezone is Australia/Perth.
Population
Language Spoken at Home
Social Characteristics
Castletown vs Australia Average
Income: Castletown vs Australia
Commute Mode
Income
| Median HH Income | $28,155 |
| 63% below Australia avg | |
| Per Capita Income | $28,155 |
| Avg Weekly Wage | $541 |
Employment & Poverty
| Unemployment | 2.2% |
| 39% below Australia avg | |
| Establishments (County) | 371 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $169,000 |
| 40% below Australia avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $845 |
| 27% below Australia avg |
Ownership & Property
| Homeownership | 68.5% |
| Owner-Occupied | 68.5% |
| Renter-Occupied | 31.5% |
| Housing Units | 1,560 |
Property Tax
Climate in Castletown
Castletown has an average annual temperature of 17.2°C (63°F). The hottest month is Feb (21.2°C), the coldest is Jul (13°C). Average annual precipitation is 612 mm.
Temperature
| Annual Average | 61.8°F |
| 14% above Australia avg | |
| January Average | 67°F (19°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 2,807/sq mi |
| Coordinates | -33.8324°N, 121.9156°W |
| Timezone | Australia/Perth |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 0.9 in | |
| February | 71°F (22°C) | 1.0 in | Warmest |
| March | 68°F (20°C) | 1.2 in | |
| April | 64°F (18°C) | 1.6 in | |
| May | 59°F (15°C) | 2.7 in | |
| June | 55°F (13°C) | 2.9 in | |
| July | 56°F (13°C) | 3.4 in | Wettest |
| August | 54°F (12°C) | 3.0 in | Coldest |
| September | 57°F (14°C) | 2.1 in | |
| October | 60°F (16°C) | 1.8 in | |
| November | 64°F (18°C) | 1.3 in | |
| December | 68°F (20°C) | 0.7 in | Driest |
Castletown has a seasonal temperature swing of 17°F / from 54°F in August to 71°F in February. Total annual precipitation is 22.4 inches, with July being the wettest month (3.4") and December the driest (0.7").
Schools in Castletown
1 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Castletown Primary School | - | - | - | - |
Radio Stations near Castletown
1 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Wave FM 91.7 | - | AAC+ 192 kbps |
Museums in Castletown
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Aunty Joan's Dolly Mix | ||||
| Historic Village |
Restaurants in Castletown
1 restaurants within city radius - OpenStreetMap data
Zoos in Castletown
2 zoos within city radius - OpenStreetMap data
Gas Stations in Castletown
2 gas stations within city radius - OpenStreetMap data
Golf Courses in Castletown
1 golf courses within city radius - OpenStreetMap data
Breweries in Castletown
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Lucky Bay Brewing |
Airports Near Castletown
2 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Esperance Airport | EPR | Medium Airport |
| Myrup fly in estate Airport | - | Small Airport |
Explore Near Castletown
Quick Facts
🇦🇺 About Australia
Public Holidays in Australia
25 public holidays this year
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Get ReportFrequently Asked Questions About Castletown
What is the population of Castletown?
Castletown has a population of 3,901 residents and is located in Australia. The population density is 2,807 people per square mile, spread across 1.4 square miles. The median age of residents is 38.0 years.
Is Castletown expensive to live in?
The median household income is $28,155, 63% below the national average of $75,149. The median home value is $169,000 (40% below the U.S. median). Renters pay a median of $845 per month, below the national average of $1,163. The home price-to-income ratio is 6x, which means housing is a stretch relative to local earnings.
What is the weather like in Castletown?
Castletown enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winter temperatures average 67°F in January, while summers reach an average of 56°F in July. The area receives 328 sunny days per year, well above the national average of 205. Annual rainfall totals 26.9 inches.
How is the job market in Castletown?
The job market in Castletown is very strong, with unemployment at just 2.2% / well below the national rate of 3.6%. The average weekly wage is $541. There are 371 business establishments in the area.
How much does housing cost in Castletown?
The median home value in Castletown is $169,000. For renters, the median monthly rent is $845. The homeownership rate is 68.5%.