Based on the most recent National Household Survey (conducted in 2011), the average household income in Lethbridge ($76,816) was just under the national average ($79,102) while the Lethbridge County has an average annual income that is well above the average figure ($91,473).

In 2014 (the most recent year for which data is available), the median income for all family sizes in Lethbridge was $84,410, which is 7.0% higher than the national figure of $78,870.