The Census Bureau recently released estimates on how the populations of each of the 3,142 counties in the US changed between 2017 and 2018. Suburban counties around big southern metropolitan areas grew quickly, while northeastern and Midwestern counties had more modest growth or population declines. Visit BusinessInsider.com for more stories. The Census Bureau recently released its annual estimates for how the populations of each of the 3,142 counties and county-equivalents in the US changed in the year between July 1, 2017 and July 1, 2018. The above map shows the percent change in population over that year in each county, with counties in blue having growing populations and counties in red seeing declines over the year.See the rest of the story at Business InsiderNOW WATCH: 12 everyday phrases that you're probably saying incorrectlySee Also:This guy made physical flip-flops out of Trump's contradictory tweets — and he sold out his entire inventory in less than a monthThis map shows where each state's largest immigrant group comes from, excluding MexicoINTRODUCING: The 10 people transforming how we think about capitalism