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Washington State Senate District 11

Washington State Senate District 11

Washington · Latest: 2024↓ R+4.0 vs 2020

Safe Democratic — shifted 4.0pp toward Republicans in 2024 — 157K residents

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Presidential margin · 2008 → 2024

Full history

  • 2008

    D+33.1

    Obama

  • 2012

    D+34.4

    Obama

  • 2016

    D+39.4

    Clinton

  • 2020

    D+40.9

    Biden

  • 2024

    D+36.9

    Harris

5 cycles · 2008 → 2024 · ↓ R+4.0 vs 2020

Who lives here

Full breakdown
  • White39.3%
  • Asian25.9%
  • Hispanic14.9%
Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.
8 visible matches
Historian Query

Ask the Historian

Explore WA-SD-11's political evolution with the Historian
Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
WA-SD-11Census ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
White (Non-Hispanic) 39.3%Asian 25.9%Hispanic 14.9%Black 11.3%Multiracial 6.6%Native Hawaiian 1.1%Native American 0.9%
GroupWA-SD-11StateNational
White (Non-Hispanic)
39.3%63.1%57.4%
Asian
25.9%9.8%6.0%
Hispanic / Latino
14.9%14.4%19.3%
Black / African American
11.3%4.0%12.2%
Multiracial / Other
6.6%6.8%4.0%
Native Hawaiian / Pacific Islander
1.1%0.7%0.2%
Native American / Alaska Native
0.9%1.2%0.9%
Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in Washington State Senate District 11? 156,889 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
WA-SD-11 vs Washington vs National157K residents
Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population
Local vs state vs U.S.
157K
local
157KState 7.8MNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.05%
local
0.05%National 100%
Voting-age population
Local vs state vs U.S.
78.9%
local
78.9%State 76.7%National 75.7%
Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income
Local vs state vs U.S.
N/A
local
N/AState $101,109National $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/AState 9.9%National 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/AState 39.3%National 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/AState 63.8%National 65.2%
Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age
Local vs state vs U.S.
N/A
local
N/AState 38.5 yrsNational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/AState 15.7%National 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/AState 16.6%National 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/AState 15.4%National 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/AState 21.4%National 22.2%
English only
Local vs state vs U.S.
N/A
local
N/AState 78.6%National 77.8%
Voter Turnout

Turnout in WA-SD-11

Turnout % = votes cast ÷ citizen voting-age population (CVAP). Source: CVAP Special Tab 2020-2024.
2024 Turnout
62.7%
vs Previous
-8.2pp
Eligible Non-Voters
39K · 37.3%
Citizen VAP
103,425
History
2008–2024
Competitiveness

How competitive is WA-SD-11?

Safe DAvg margin: D+39.1 (last 3 elections)
2008
D+33.1
2012
D+34.4
2016
D+39.4
2020
D+40.9
2024
D+36.9
Elasticity
7.8pp
margin range
Party Flips
0
last 30 years
5-Elec Avg
D+36.9
Contained geographies

Counties in WA-SD-11

Counties that overlap WA-SD-11.

Counties

(1)
King100%

Other Washington State Senate Districts

48 total
NameMargin ↓
WA-SD-43D+81.3
WA-SD-36D+80.9
WA-SD-46D+78.3
WA-SD-37D+73.3
WA-SD-34D+69.6
WA-SD-32D+53.0
WA-SD-48D+44.9
WA-SD-41D+44.5
WA-SD-01D+44.4
WA-SD-45D+44.0
WA-SD-27D+43.8
WA-SD-40D+40.9
WA-SD-22D+38.2
WA-SD-21D+36.4
WA-SD-33D+36.1
WA-SD-23D+32.5
WA-SD-49D+24.5
WA-SD-03D+23.8
WA-SD-05D+23.6
WA-SD-28D+20.8
WA-SD-44D+20.7
WA-SD-29D+20.6
WA-SD-30D+19.8
WA-SD-38D+19.3
WA-SD-47D+15.1
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