It's certainly not unreasonable or even uncommon. But, it's still way above the norm in the US. Median household income in the US is somewhere around $65k/year (before taxes and expenses).
Side note - You're only holding $2k in cash for a family of 5? That seems low. Your efforts to invest for the future are commendable, but if you get caught on the bad end of a 2008-style recession, is it enough to keep paying bills?
Side note - You're only holding $2k in cash for a family of 5? That seems low. Your efforts to invest for the future are commendable, but if you get caught on the bad end of a 2008-style recession, is it enough to keep paying bills?