This is a list of the National Register of Historic Places listings in Tazewell County, Illinois.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Tazewell County, Illinois, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.^[1]

There are 17 properties and districts listed on the National Register in the county.

          This National Park Service list is complete through NPS recent listings posted March 22, 2024.^[2]

Current listings

[3]	Name on the Register	Image	Date listed[4]	Location	City or town	Description
1	Allentown Union Hall	More images	August 12, 1988 (#88001228)	2 mi. E of IL 121 40°33′19″N 89°23′50″W / 40.55514°N 89.3972°W / 40.55514; -89.3972 (Allentown Union Hall)	Allentown
2	Ayer Public Library	More images	November 12, 1998 (#98001352)	200 Locust St. 40°22′27″N 89°32′49″W / 40.37425°N 89.54694°W / 40.37425; -89.54694 (Ayer Public Library)	Delavan
3	Cemetery Road Bridge	More images	May 20, 1998 (#98000467)	Candlewood Dr. within Glendale Cemetery 40°41′51″N 89°24′41″W / 40.6975°N 89.411389°W / 40.6975; -89.411389 (Cemetery Road Bridge)	Washington
4	Clear Lake Site	Upload image	November 28, 1978 (#78001171)	Junction of 1200E and 2600N in Sand Ridge State Park[5] 40°26′08″N 89°54′00″W / 40.43555°N 89.90000°W / 40.43555; -89.90000 (Clear Lake Site)	Manito	Extends into Mason County
5	Delavan Commercial Historic District	More images	November 14, 1991 (#91001687)	307, 309-324, 400, 401, 404-410, 412, and 414 Locust St. 40°22′20″N 89°32′50″W / 40.372222°N 89.547222°W / 40.372222; -89.547222 (Delavan Commercial Historic District)	Delavan
6	Dement-Zinser House		November 27, 2002 (#02001411)	105 Zinser Place 40°42′16″N 89°24′26″W / 40.704444°N 89.407361°W / 40.704444; -89.407361 (Dement-Zinser House)	Washington
7	Denhart Bank Building		August 12, 2005 (#05000874)	101 Washington Square 40°42′14″N 89°24′24″W / 40.703889°N 89.406667°W / 40.703889; -89.406667 (Denhart Bank Building)	Washington
8	Farm Creek Section	More images	February 6, 1992 (#91002039)	S side of Farm Creek 40°40′38″N 89°29′23″W / 40.677222°N 89.489722°W / 40.677222; -89.489722 (Farm Creek Section)	East Peoria
9	Carl Herget Mansion	More images	August 18, 1992 (#92001005)	420 Washington St. 40°33′52″N 89°38′47″W / 40.564444°N 89.646389°W / 40.564444; -89.646389 (Carl Herget Mansion)	Pekin
10	Illinois Traction System Mackinaw Depot		November 30, 1978 (#78001192)	301 N. Main St.[6] 40°32′22″N 89°21′33″W / 40.53944°N 89.35925°W / 40.53944; -89.35925 (Illinois Traction System Mackinaw Depot)	Mackinaw
11	North Eighth Street Plaza		May 18, 2015 (#15000226)	1500-1532 N. 8th St. 40°34′53″N 89°38′27″W / 40.581304°N 89.640730°W / 40.581304; -89.640730 (North Eighth Street Plaza)	Pekin
12	Pekin Federal Building	More images	October 9, 1980 (#80001412)	334 Elizabeth St. 40°34′08″N 89°38′55″W / 40.568897°N 89.6486°W / 40.568897; -89.6486 (Pekin Federal Building)	Pekin
13	Peoria Lock and Dam Historic District	More images	March 10, 2004 (#04000169)	1071 Wesley Rd. 40°37′55″N 89°37′28″W / 40.632005°N 89.624490°W / 40.632005; -89.624490 (Peoria Lock and Dam Historic District)	Creve Coeur
14	St. Louis, Peoria and Northern Railroad Depot	More images	December 6, 2004 (#04001305)	1900 block of Broadway St.[7] 40°34′02″N 89°37′24″W / 40.56728°N 89.62328°W / 40.56728; -89.62328 (St. Louis, Peoria and Northern Railroad Depot)	Pekin
15	Tazewell County Courthouse	More images	November 14, 1985 (#85002837)	Court St. between Capitol and Fourth Sts. 40°34′09″N 89°38′52″W / 40.569167°N 89.647778°W / 40.569167; -89.647778 (Tazewell County Courthouse)	Pekin
16	Third Street Bridge	More images	May 20, 1999 (#99000586)	Third St., bet. Pine and Elm Sts. 40°22′25″N 89°32′41″W / 40.3735°N 89.5446°W / 40.3735; -89.5446 (Third Street Bridge)	Delavan
17	Waltmire Bridge	More images	February 5, 1999 (#99000112)	Locust Rd. over Mackinaw River, approx. 4.9 mi. S of Tremont 40°26′57″N 89°29′31″W / 40.44928°N 89.49194°W / 40.44928; -89.49194 (Waltmire Bridge)	Tremont

Former listing