經(jing)初步核算，2021年海門區實現地區生產(chan)(chan)總值(zhi)1569.33億元(yuan)，比上年增(zeng)長(chang)9.4%。其中，第一產(chan)(chan)業(ye)增(zeng)加值(zhi)72.64億元(yuan)，增(zeng)長(chang)4.5%；第二(er)產(chan)(chan)業(ye)增(zeng)加值(zhi)769.69億元(yuan)，增(zeng)長(chang)8.6%；第三(san)(san)產(chan)(chan)業(ye)增(zeng)加值(zhi)727.00億元(yuan)，增(zeng)長(chang)10.7%。三(san)(san)次產(chan)(chan)業(ye)結(jie)構調整為(wei)4.6：49.1：46.3。全區人均地區生產(chan)(chan)總值(zhi)158119元(yuan)，增(zeng)長(chang)9.3%。

2021年(nian)海門(men)區糧食總(zong)產(chan)量25.18萬(wan)(wan)噸，比上(shang)年(nian)增(zeng)(zeng)加0.01萬(wan)(wan)噸。全(quan)區規模以(yi)(yi)上(shang)工(gong)業增(zeng)(zeng)加值同(tong)比增(zeng)(zeng)長12.9%。年(nian)末全(quan)區擁有資(zi)質以(yi)(yi)上(shang)建(jian)筑(zhu)業企業529家。建(jian)筑(zhu)企業全(quan)年(nian)完成建(jian)筑(zhu)業總(zong)產(chan)值2233億(yi)(yi)元(yuan)(yuan)，增(zeng)(zeng)長2.1%。全(quan)年(nian)固定(ding)資(zi)產(chan)投資(zi)比上(shang)年(nian)增(zeng)(zeng)長2.1%。全(quan)年(nian)房地(di)產(chan)開發(fa)投資(zi)129.00億(yi)(yi)元(yuan)(yuan)。全(quan)年(nian)實現(xian)社會消費品(pin)零(ling)售總(zong)額506.43億(yi)(yi)元(yuan)(yuan)，增(zeng)(zeng)長16.9%。全(quan)年(nian)進出(chu)口總(zong)額322.47億(yi)(yi)元(yuan)(yuan)，同(tong)比增(zeng)(zeng)長27.3 %。全(quan)年(nian)接待游(you)(you)客(ke)320.6萬(wan)(wan)人(ren)次，其中(zhong)(zhong)，國際旅(lv)(lv)游(you)(you)者人(ren)數2660人(ren)次。旅(lv)(lv)游(you)(you)總(zong)收(shou)入達29.80億(yi)(yi)元(yuan)(yuan)，其中(zhong)(zhong)，旅(lv)(lv)游(you)(you)外(wai)匯(hui)收(shou)入達208萬(wan)(wan)美元(yuan)(yuan)。全(quan)年(nian)實現(xian)一般公(gong)共預(yu)算收(shou)入79.01億(yi)(yi)元(yuan)(yuan)，增(zeng)(zeng)長7.5%。全(quan)年(nian)一般公(gong)共預(yu)算支出(chu)134.32億(yi)(yi)元(yuan)(yuan)，比上(shang)年(nian)增(zeng)(zeng)長0.7%。