Oregon Congressional District 01

Voters

Registered Voters: 647,491
Active Voters: 494,537 (76.4%)

Party Registration

Party	Voters	Share
Democratic	239,215	36.9%
Republican	102,127	15.8%
Unaffiliated	261,322	40.4%
Other parties	<10	—
No party recorded	<10	—

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2023–2024	374,413 (57.8%)	0 (0.0%)	0 (0.0%)
2021–2022	313,279 (48.4%)	0 (0.0%)	0 (0.0%)
2019–2020	369,438 (57.1%)	0 (0.0%)	0 (0.0%)
2017–2018	280,415 (43.3%)	0 (0.0%)	0 (0.0%)
2015–2016	287,795 (44.4%)	0 (0.0%)	0 (0.0%)
2013–2014	203,339 (31.4%)	0 (0.0%)	0 (0.0%)
2011–2012	229,834 (35.5%)	0 (0.0%)	0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

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Source: Civitech voter file snapshot as of 10/02/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population: 653,149
Citizen Voting Age Population (CVAP): 523,314

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	562,813	86.2%
Hispanic	90,340	13.8%
White	459,224	70.3%
Black	14,313	2.2%
Asian	48,781	7.5%
American Indian / Alaska Native	2,204	0.3%
Native Hawaiian / Pacific Islander	2,420	0.4%
Two or More Races	5,412	0.8%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	465,921	89.0%
Hispanic	57,398	11.0%
White	389,258	74.4%
Black	15,634	3.0%
Asian	47,701	9.1%
American Indian / Alaska Native	7,894	1.5%
Native Hawaiian / Pacific Islander	2,180	0.4%
Two or More Races	3,660	0.7%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.