根據(ju)地區(qu)生產(chan)(chan)總值(zhi)統(tong)一(yi)(yi)(yi)核算(suan)結果(guo)，2020年衡陽市實現地區(qu)生產(chan)(chan)總值(zhi)（GDP）3508.50億(yi)元(yuan)，按可比價計算(suan)，比上年增(zeng)(zeng)長(chang)(chang)4.0%。其中，第一(yi)(yi)(yi)產(chan)(chan)業(ye)增(zeng)(zeng)加(jia)值(zhi)441.67億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)3.9%；第二產(chan)(chan)業(ye)增(zeng)(zeng)加(jia)值(zhi)1159.32億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)5.1%；第三(san)產(chan)(chan)業(ye)增(zeng)(zeng)加(jia)值(zhi)1907.50億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)3.3%。全市三(san)次產(chan)(chan)業(ye)結構(gou)為12.6:33.0:54.4。工業(ye)增(zeng)(zeng)加(jia)值(zhi)占地區(qu)生產(chan)(chan)總值(zhi)的比重為23.8%；第一(yi)(yi)(yi)、二、三(san)產(chan)(chan)業(ye)對經濟增(zeng)(zeng)長(chang)(chang)的貢(gong)獻(xian)率分(fen)別為10.3%、48.0%和41.7%。

2020年(nian)(nian)(nian)(nian)(nian)衡陽市(shi)(shi)農林牧漁(yu)業(ye)(ye)(ye)實(shi)現(xian)總(zong)產值782.11億(yi)元(yuan)(yuan)(yuan)，增(zeng)(zeng)長(chang)4.1%。全市(shi)(shi)規模工(gong)業(ye)(ye)(ye)增(zeng)(zeng)加值增(zeng)(zeng)長(chang)5.4%。全市(shi)(shi)資質以上總(zong)承包(bao)和(he)專業(ye)(ye)(ye)承包(bao)建(jian)筑(zhu)業(ye)(ye)(ye)企業(ye)(ye)(ye)建(jian)筑(zhu)業(ye)(ye)(ye)總(zong)產值676.09億(yi)元(yuan)(yuan)(yuan)，增(zeng)(zeng)長(chang)9.6%；全市(shi)(shi)建(jian)筑(zhu)業(ye)(ye)(ye)增(zeng)(zeng)加值324.16億(yi)元(yuan)(yuan)(yuan)，增(zeng)(zeng)長(chang)5.3%。全年(nian)(nian)(nian)(nian)(nian)固定資產投資（不(bu)含農戶）比(bi)上年(nian)(nian)(nian)(nian)(nian)增(zeng)(zeng)長(chang)9.4%。全年(nian)(nian)(nian)(nian)(nian)社會消(xiao)費品零售總(zong)額1594.34億(yi)元(yuan)(yuan)(yuan)，比(bi)上年(nian)(nian)(nian)(nian)(nian)下降2.6%。全年(nian)(nian)(nian)(nian)(nian)進出(chu)口總(zong)額302.4億(yi)元(yuan)(yuan)(yuan)，比(bi)上年(nian)(nian)(nian)(nian)(nian)下降18.0%。全市(shi)(shi)民(min)用(yong)車輛(liang)保有量達到111.87萬輛(liang)，增(zeng)(zeng)長(chang)6.3%。全市(shi)(shi)郵電業(ye)(ye)(ye)務總(zong)量（按不(bu)變價計算）505.42億(yi)元(yuan)(yuan)(yuan)，增(zeng)(zeng)長(chang)33.3%。全市(shi)(shi)接待國內外(wai)游客6479.77萬人次，比(bi)上年(nian)(nian)(nian)(nian)(nian)下降15.8%。實(shi)現(xian)旅(lv)游總(zong)收入573.26億(yi)元(yuan)(yuan)(yuan)，下降15.7%。