Capital Gains Tax on Sale of Property

[Account Closed]

My wife and I are going to be selling our house here in the next few weeks. We bought this home in September 2019 and initially planned to be here for 2 years before we sold to take advantage of the tax benefits but we have an opportunity to buy a nice piece of property now. We're trying to determine if it would be worth holding our current house for a short time or just selling now and paying the capital gains. Would someone mind giving me a quick rundown of the long term capital gains tax if we made $35k on the sale after commissions and fees? Would the IRS look at our earned income in the year the house was sold (this year) or just our most recent tax return (last year)?