2021年常熟市實現地(di)區生(sheng)產(chan)總值(zhi)2672.04億元，按可比(bi)(bi)價計算(suan)比(bi)(bi)上(shang)年增(zeng)長(chang)9.2%。其中：第(di)(di)一產(chan)業(ye)增(zeng)加值(zhi)39.68億元，比(bi)(bi)上(shang)年增(zeng)長(chang)0.5%；第(di)(di)二產(chan)業(ye)增(zeng)加值(zhi)1341.71億元，增(zeng)長(chang)10.2%；第(di)(di)三產(chan)業(ye)增(zeng)加值(zhi)1290.65億元，增(zeng)長(chang)8.5%。三次產(chan)業(ye)比(bi)(bi)例調(diao)整(zheng)為1.49：50.21：48.30。按常住(zhu)人口計算(suan)，人均地(di)區生(sheng)產(chan)總值(zhi)158889元。

2021年(nian)(nian)(nian)(nian)常(chang)熟市糧食(shi)總(zong)產(chan)(chan)量23.47萬噸，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長1.4%。全(quan)(quan)年(nian)(nian)(nian)(nian)實(shi)(shi)現規(gui)模以(yi)上(shang)(shang)(shang)(shang)工業總(zong)產(chan)(chan)值4527.77億(yi)元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長22.5%。全(quan)(quan)年(nian)(nian)(nian)(nian)資(zi)(zi)質以(yi)上(shang)(shang)(shang)(shang)總(zong)承包和專業承包建筑業企業實(shi)(shi)現建筑業總(zong)產(chan)(chan)值218.99億(yi)元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長9.9%；竣工產(chan)(chan)值170.91億(yi)元(yuan)(yuan)，增(zeng)(zeng)(zeng)(zeng)長10.3%。全(quan)(quan)年(nian)(nian)(nian)(nian)完成固(gu)定(ding)資(zi)(zi)產(chan)(chan)投資(zi)(zi)704.09億(yi)元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長11.6%。全(quan)(quan)年(nian)(nian)(nian)(nian)完成房地產(chan)(chan)開(kai)發投資(zi)(zi)292.89億(yi)元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長22.7%。全(quan)(quan)年(nian)(nian)(nian)(nian)實(shi)(shi)現社會消費品零(ling)售(shou)總(zong)額(e)1214.22億(yi)元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長17.7%。全(quan)(quan)年(nian)(nian)(nian)(nian)新增(zeng)(zeng)(zeng)(zeng)注(zhu)冊外資(zi)(zi)13.36億(yi)美元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)下降(jiang)54.8%。全(quan)(quan)年(nian)(nian)(nian)(nian)實(shi)(shi)現進(jin)出口總(zong)額(e)237.84億(yi)美元(yuan)(yuan)，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長24.3%。全(quan)(quan)年(nian)(nian)(nian)(nian)接(jie)待境內(nei)游客1437.73萬人次，比(bi)上(shang)(shang)(shang)(shang)年(nian)(nian)(nian)(nian)增(zeng)(zeng)(zeng)(zeng)長2.5%；實(shi)(shi)現旅游收入(ru)293.13億(yi)元(yuan)(yuan)，增(zeng)(zeng)(zeng)(zeng)長1.1%。