根(gen)據地(di)區(qu)生(sheng)產總值統一核算(suan)結(jie)果(guo)，2021年定(ding)海區(qu)實現地(di)區(qu)生(sheng)產總值(GDP)為605.32億元(yuan)，按可比價(jia)格(ge)計(ji)算(suan)，同(tong)比增(zeng)(zeng)長(chang)6.0%。其中，第(di)一產業(ye)增(zeng)(zeng)加(jia)值13.84億元(yuan)，同(tong)比增(zeng)(zeng)長(chang)9.6%；第(di)二產業(ye)增(zeng)(zeng)加(jia)值216.77億元(yuan)，同(tong)比增(zeng)(zeng)長(chang)10.1%；第(di)三產業(ye)增(zeng)(zeng)加(jia)值374.72億元(yuan)，同(tong)比增(zeng)(zeng)長(chang)3.7%。三次產業(ye)比例(li)為2.3:35.8:61.9。按戶籍(ji)人口計(ji)算(suan)，人均地(di)區(qu)生(sheng)產總值150739元(yuan)，約(yue)23365美(mei)元(yuan)，同(tong)比增(zeng)(zeng)長(chang)5.6%。

2021年(nian)定海區(qu)農(nong)林(lin)牧漁業(ye)(ye)總(zong)(zong)產(chan)值23.68億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長11.6%。全(quan)年(nian)全(quan)區(qu)156家規(gui)模以上(shang)工業(ye)(ye)企(qi)業(ye)(ye)實(shi)現(xian)產(chan)值482.23億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長22.5%。年(nian)末區(qu)本級(ji)具有(you)資質等級(ji)的總(zong)(zong)承包和專業(ye)(ye)承包建筑業(ye)(ye)企(qi)業(ye)(ye)94家，實(shi)現(xian)建筑業(ye)(ye)總(zong)(zong)產(chan)值120.21億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長12.7%。全(quan)年(nian)全(quan)區(qu)全(quan)社會消(xiao)費品零售總(zong)(zong)額239.27億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長8.1%。全(quan)年(nian)全(quan)區(qu)完成外貿進出口總(zong)(zong)額1224.27億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長65.5%。全(quan)區(qu)實(shi)現(xian)金(jin)融業(ye)(ye)增加值63.18億(yi)元(yuan)(yuan)，同(tong)(tong)比(bi)增長7.1%。全(quan)年(nian)全(quan)區(qu)共接(jie)待國內外游(you)客176.97萬(wan)人次，實(shi)現(xian)旅(lv)游(you)總(zong)(zong)收入23.19億(yi)元(yuan)(yuan)。