根據地區生產(chan)總(zong)(zong)值(zhi)(zhi)統一(yi)(yi)核(he)算結果，2020年(nian)衡陽市(shi)(shi)實現地區生產(chan)總(zong)(zong)值(zhi)(zhi)（GDP）3508.50億(yi)元，按(an)可(ke)比(bi)價(jia)計算，比(bi)上年(nian)增(zeng)(zeng)(zeng)長(chang)4.0%。其中，第一(yi)(yi)產(chan)業(ye)(ye)增(zeng)(zeng)(zeng)加值(zhi)(zhi)441.67億(yi)元，增(zeng)(zeng)(zeng)長(chang)3.9%；第二(er)產(chan)業(ye)(ye)增(zeng)(zeng)(zeng)加值(zhi)(zhi)1159.32億(yi)元，增(zeng)(zeng)(zeng)長(chang)5.1%；第三產(chan)業(ye)(ye)增(zeng)(zeng)(zeng)加值(zhi)(zhi)1907.50億(yi)元，增(zeng)(zeng)(zeng)長(chang)3.3%。全市(shi)(shi)三次產(chan)業(ye)(ye)結構為12.6:33.0:54.4。工(gong)業(ye)(ye)增(zeng)(zeng)(zeng)加值(zhi)(zhi)占地區生產(chan)總(zong)(zong)值(zhi)(zhi)的(de)比(bi)重(zhong)為23.8%；第一(yi)(yi)、二(er)、三產(chan)業(ye)(ye)對經濟增(zeng)(zeng)(zeng)長(chang)的(de)貢(gong)獻率分別(bie)為10.3%、48.0%和41.7%。

2020年(nian)衡(heng)陽市(shi)(shi)(shi)農(nong)林牧漁(yu)業(ye)實現總(zong)產(chan)值782.11億元(yuan)，增長(chang)4.1%。全(quan)(quan)(quan)市(shi)(shi)(shi)規(gui)模工業(ye)增加值增長(chang)5.4%。全(quan)(quan)(quan)市(shi)(shi)(shi)資(zi)質以上(shang)總(zong)承(cheng)包和專業(ye)承(cheng)包建筑(zhu)業(ye)企(qi)業(ye)建筑(zhu)業(ye)總(zong)產(chan)值676.09億元(yuan)，增長(chang)9.6%；全(quan)(quan)(quan)市(shi)(shi)(shi)建筑(zhu)業(ye)增加值324.16億元(yuan)，增長(chang)5.3%。全(quan)(quan)(quan)年(nian)固定資(zi)產(chan)投資(zi)（不含農(nong)戶(hu)）比上(shang)年(nian)增長(chang)9.4%。全(quan)(quan)(quan)年(nian)社(she)會消費(fei)品零(ling)售總(zong)額(e)1594.34億元(yuan)，比上(shang)年(nian)下(xia)降2.6%。全(quan)(quan)(quan)年(nian)進出口總(zong)額(e)302.4億元(yuan)，比上(shang)年(nian)下(xia)降18.0%。全(quan)(quan)(quan)市(shi)(shi)(shi)民用(yong)車輛(liang)保(bao)有量(liang)達到111.87萬(wan)輛(liang)，增長(chang)6.3%。全(quan)(quan)(quan)市(shi)(shi)(shi)郵電業(ye)務總(zong)量(liang)（按不變價(jia)計(ji)算）505.42億元(yuan)，增長(chang)33.3%。全(quan)(quan)(quan)市(shi)(shi)(shi)接待國(guo)內外游客6479.77萬(wan)人次，比上(shang)年(nian)下(xia)降15.8%。實現旅游總(zong)收入573.26億元(yuan)，下(xia)降15.7%。