Wash. Rev. Code » Title 43 · Chapter 43.62
Revised Code of Washington

Wash. Rev. Code § 43.62.035 (2026)

✓ current as of May 2026
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The office of financial management shall determine the population of each county of the state annually as of April 1st of each year and on or before July 1st of each year shall file a certificate with the secretary of state showing its determination of the population for each county. The office of financial management also shall determine the percentage increase in population for each county over the preceding ten-year period, as of April 1st, and shall file a certificate with the secretary of state by July 1st showing its determination. At least once every five years or upon the availability of decennial census data, whichever is later, the office of financial management shall prepare twenty-year growth management planning population projections required by RCW 36.70A.110 for each county that adopts a comprehensive plan under RCW 36.70A.040 and shall review these projections with such counties and the cities in those counties before final adoption. The county and its cities may provide to the office such information as they deem relevant to the office's projection, and the office shall consider and comment on such information before adoption. Each projection shall be expressed as a reasonable range developed within the standard state high and low projection. The middle range shall represent the office's estimate of the most likely population projection for the county. If any city or county believes that a projection will not accurately reflect actual population growth in a county, it may petition the office to revise the projection accordingly. The office shall complete the first set of ranges for every county by December 31, 1995.
A comprehensive plan adopted or amended before December 31, 1995, shall not be considered to be in noncompliance with the twenty-year growth management planning population projection if the projection used in the comprehensive plan is in compliance with the range later adopted under this section.
[ 1997 c 429 s 26; 1995 c 162 s 1; 1991 sp.s. c 32 s 30; 1990 1st ex.s. c 17 s 32.]

Notes:

Severability—1997 c 429: See note following RCW 36.70A.3201.
Effective date—1995 c 162: "This act is necessary for the immediate preservation of the public peace, health, or safety, or support of the state government and its existing public institutions, and shall take effect immediately [April 27, 1995]." [ 1995 c 162 s 2.]
Section headings not law—1991 sp.s. c 32: See RCW 36.70A.902.
Severability—Part, section headings not law—1990 1st ex.s. c 17: See RCW 36.70A.900 and 36.70A.901.
Notes of Decisions
Cited in 18 cases, 1997–2019 · leading case: Thurston Cnty. v. W. Washington Growth Mgmt. Hearings Bd., 164 Wash. 2d 329 (Wash. 2008).
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Thurston Cnty. v. W. Washington Growth Mgmt. Hearings Bd., 164 Wash. 2d 329 (Wash. 2008). · cites it 2× “” RCW 43.62.035. If the urban growth projection changes, a county must revise its comprehensive plan.”
Thurston Cnty. v. W. Wash. Growth Mgmt., 190 P.3d 38 (Wash. 2008). · cites it 2× “" RCW 43.62.035. If the urban growth projection changes, a county must revise its comprehensive plan.”
Skagit Surveyors v. FRIENDS OF SKAGIT, 958 P.2d 962 (Wash. 1998). “or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted. (Emphasis added.”
Skagit Surveyors & Engineers, LLC v. Friends of Skagit Cnty., 135 Wash. 2d 542 (Wash. 1998). “or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted. (Emphasis added.”
Citizens for Mount Vernon v. City of Mount Vernon, 133 Wash. 2d 861 (Wash. 1997). “58 RCW; or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted. *868 RCW 36.”
Citizens for Mount Vernon v. Mount Vernon, 947 P.2d 1208 (Wash. 1997). “58 RCW; or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted. RCW 36.”
Somers v. Snohomish Cnty., 21 P.3d 1165 (Wash. Ct. App. 2001). “58 RCW as it relates to the adoption of shoreline master programs or amendments thereto, or chapter 43.21C RCW as it relates to plans, development regulations, or amendments, adopted under RCW 36.”
City of Burien v. Cent. Puget Sound Growth Mgmt. Hearings Bd., 53 P.3d 1028 (Wash. Ct. App. 2002). “21C RCW as it relates to plans, development regulations, or amendments, adopted under RCW 36.70A.040 or chapter 90.58 RCW; or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.”
Low Income Hous. Inst. v. City of Lakewood, 77 P.3d 653 (Wash. Ct. App. 2003). “58 RCW; or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted. (2) A petition may be filed only by: (a) The state, or a county or city that plans under this…”
Chevron U.S.A., Inc. v. Cent. Puget Sound Growth Mgmt. Hearings Bd., 123 Wash. App. 161 (Wash. Ct. App. 2004). “58 RCW; or (b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 shoxdd be adjusted.”
CHEVRON USA INC. v. Cent. Puget Sound Growth Mgmt. Hearings Bd., 93 P.3d 880 (Wash. Ct. App. 2004). “58 RCW; or "(b) That the twenty-year growth management planning population projections adopted by the office of financial management pursuant to RCW 43.62.035 should be adjusted."”
Clark Cnty. Citizens United, Inc. v. Clark Cnty. Nat. Resources Council, 972 P.2d 941 (Wash. Ct. App. 1999). · cites it 2× “” 7 OFM makes its projection pursuant to RCW 43.62.035. Having designated urban growth areas, a county may *673 not allow urban growth outside those areas.”
Show all 18 citing cases →
— Wash. Rev. Code § 43.62.035(1) — 1 case
Paul Stickney & Stefan Birgh, Apps. v. Cent. Puget Snd Growth Mgmt. Hearings Bd., Res. (Wash. Ct. App. 2019).
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