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Your water use was 748 gallons.1
Your neighborhood average water use was 7,998 gallons.

That's an incredibly low figure. I'd guess you eat out all the time, don't wash your own car, have no plants, don't do laundry, take very short showers days apart, and more. Or otherwise are away from home a great deal of the time. While that behavior may reduce your home water bill, you're still using lots of water, and in a way that's far more expensive than just using water at home.

With the standard 2.5 GPM shower head, 750 gallons is just 5 hours of running the shower per month, total. Some people take 5-minute showers, or skip quite a few days in-between, but most don't, and the average would also go through the roof in a household of several people, so that's not really a practical level of water usage to expect of people, except in cases of extreme rationing.

And showers aren't the biggest water users... Toilets consume more water, so you need to cut your showering time down to 1/3rd of that to fit the numbers, still. Throw in some dish washing, outdoor plant watering, and you get up to those big "average" numbers quickly.