EXHIBIT 21

​

​	​	​	​
​		Jurisdiction or
Name	​	State of Incorporation	​
Citizens & Northern Bank (A)	​	Pennsylvania	​
Bucktail Life Insurance Company (A)	​	Arizona	​
Citizens & Northern Investment Corporation (A)	​	Delaware	​
C&N Financial Services, LLC (B)	​	Pennsylvania	​
Northern Tier Holding LLC (B)	​	Pennsylvania	​

​

(A) Wholly-owned subsidiary of Citizens & Northern Corporation

​

(B) Wholly-owned subsidiary of Citizens & Northern Bank