Oregon Law
Law as of Jan 1, 2026
Chapter contents
188.010Criteria for apportionment of state into congressional and legislative districts 188.015[1989 c.114 §1; 1997 c.249 §55; renumbered 188.025 in 2015] 188.016Required hearings for apportionment of state into congressional and legislative districts; conduct of hearings 188.025Apportionment duties of Secretary of State; rules 188.110Election of United States Representative in Congress 188.120Filling vacancy in election or office of United States Representative or Senator; temporary appointment of United States Senator by Governor 188.125Elector challenge of legislative apportionment of state into congressional districts; elector request for court apportionment of state into congressional districts; process; time frame; standard of review 188.130[Formerly 250.295; 1981 c.864 §1; repealed by 1997 c.249 §56] 188.135[See note following] 188.140Congressional district boundaries 188.210[Formerly 171.025; see note following] 188.220[Formerly 171.035; see note under 188.210] 188.230[Formerly 171.037; see note under 188.210] 188.235[See note under 188.210] 188.240[Formerly 171.038; see note under 188.210] 188.245[See note under 188.210] 188.255[See note under 188.210] 188.265[See note under 188.210] 188.275[See note under 188.210; repealed by 2011 c.314 §5] 188.285[See note under 188.210; repealed by 2011 c.314 §5] 188.290[See note under 188.210; 2011 c.314 §1; repealed by 2021 s.s.1 c.2 §7] 188.295[See note under 188.210; 2011 c.314 §2; repealed by 2021 s.s.1 c.2 §7] 188.300District boundaries for House of Representatives 188.305Senate districts

Chapter 188 — Congressional and Legislative Districts; Reapportionment

ORS 188.305 Senate districts

The 30 senatorial districts are as follows:

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Senate District House District

Number Numbers

1 1 & 2

2 3 & 4

3 5 & 6

4 7 & 8

5 9 & 10

6 11 & 12

7 13 & 14

8 15 & 16

9 17 & 18

10 19 & 20

11 21 & 22

12 23 & 24

13 25 & 26

14 27 & 28

15 29 & 30

16 31 & 32

17 33 & 34

18 35 & 36

19 37 & 38

20 39 & 40

21 41 & 42

22 43 & 44

23 45 & 46

24 47 & 48

25 49 & 50

26 51 & 52

27 53 & 54

28 55 & 56

29 57 & 58

30 59 & 60

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2026-01-01

2025 Oregon Revised Statutes — official online source