Josephburg is a hamlet in Alberta, Canada within Strathcona County. It is located on Highway 830, 6.5 kilometres (4.0 mi) east of Fort Saskatchewan. It is near Alberta's Industrial Heartland, home to petrochemical industries.

The Warren Thomas (Josephburg) Aerodrome, a local airport serving Strathcona County and Alberta's Industrial Heartland, is located near Josephburg. Josephburg was founded by German immigrants.^{[citation needed]}

The population of Josephburg according to the 2024 municipal census conducted by Strathcona County is 122, a 4.3% change from its 2022 municipal census population count of 117.

In the 2021 Census of Population conducted by Statistics Canada, Josephburg had a population of 127 living in 60 of its 67 total private dwellings, a change of 3.3% from its 2016 population of 123. With a land area of 2.47 km² (0.95 sq mi), it had a population density of 51.4/km² (133.2/sq mi) in 2021.

As a designated place in the 2016 Census of Population conducted by Statistics Canada, Josephburg had a population of 123 living in 60 of its 61 total private dwellings, a change of -13.4% from its 2011 population of 142. With a land area of 2.48 km² (0.96 sq mi), it had a population density of 49.6/km² (128.5/sq mi) in 2016.