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Arizona State Senate District 20

Arizona State Senate District 20

Arizona · Latest: 2024↑ D+10.6 vs 2020

Safe Democratic — shifted 10.6pp toward Democrats in 2024 — 238K residents

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Arizona State Senate District 20 is a state senate district that has a population of 238,486. In the 2024 presidential election, it voted Democratic with a margin of D+43.2. Akashic Edge tracks 5 presidential elections here, dating back to 2008.

Arizona State Senate District 20 Presidential Election Results, 2008–2024
YearDem %Rep %MarginSwing
202470.9%27.7%D+43.2D+10.6
2020*65.6%32.9%D+32.6R+16.4
2016*71.1%22.1%D+49.0D+8.1
2012*70.5%29.5%D+40.9D+3.1
2008*68.1%30.3%D+37.8—

* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.

Political Identity

What defines AZ-SD-20?

It has a majority-minority electorate where racial demographics are the primary driver of partisan lean.

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 AZ-SD-20's political evolution with the Historian
Automated Readout

Key Insights

High-confidence patterns distilled from this geography's election history.
  • Has voted Democratic in the last 5 presidential elections
  • Latest election (2024) was a Democratic landslide with a 43.2% margin
  • Swung 10.6 points toward Democratic between 2020 and 2024
Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
AZ-SD-20Census ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
Hispanic 53.4%White (Non-Hispanic) 33.9%Native American 5.5%Black 3.6%Asian 2.9%Multiracial 0.6%
GroupAZ-SD-20StateNational
Hispanic / Latino
53.4%31.4%19.3%
White (Non-Hispanic)
33.9%52.6%57.4%
Native American / Alaska Native
5.5%4.0%0.9%
Black / African American
3.6%4.6%12.2%
Asian
2.9%3.6%6.0%
Multiracial / Other
0.6%3.7%4.0%
Native Hawaiian / Pacific Islander
0.2%0.2%0.2%
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 Arizona State Senate District 20? 238,486 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
AZ-SD-20 vs Arizona vs National238K residents
Population & electorate

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

Total population
Local vs state vs U.S.
238K
local
238KState 7.4MNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.07%
local
0.07%National 100%
Voting-age population
Local vs state vs U.S.
80.4%
local
80.4%State 76.2%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 $80,891National $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/AState 12.5%National 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/AState 33.4%National 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/AState 67.4%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 39.3 yrsNational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/AState 16.3%National 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/AState 18.9%National 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/AState 13.0%National 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/AState 25.7%National 22.2%
English only
Local vs state vs U.S.
N/A
local
N/AState 74.3%National 77.8%
Voter Turnout

Turnout in AZ-SD-20

Estimated using 2020 Census voting-age population.
2024 Turnout
44.0%
vs Previous
-66.3pp
Voting-Age Pop
191,639
History
2008–2024
Competitiveness

How competitive is AZ-SD-20?

Safe DAvg margin: D+41.6 (last 3 elections)
2008
D+37.8
2012
D+40.9
2016
D+49.0
2020
D+32.6
2024
D+43.2
Elasticity
16.4pp
margin range
Party Flips
0
last 30 years
5-Elec Avg
D+40.7

Other Arizona State Senate Districts

29 total
NameMargin ↓
AZ-SD-11D+39.8
AZ-SD-05D+36.4
AZ-SD-26D+28.8
AZ-SD-06D+27.2
AZ-SD-18D+24.0
AZ-SD-22D+21.1
AZ-SD-24D+20.5
AZ-SD-08D+19.7
AZ-SD-21D+18.5
AZ-SD-12D+15.9
AZ-SD-09D+3.0
AZ-SD-23D+1.8
AZ-SD-13R+1.2
AZ-SD-04R+3.5
AZ-SD-17R+3.9
AZ-SD-02R+5.5
AZ-SD-16R+9.4
AZ-SD-27R+11.3
AZ-SD-14R+18.3
AZ-SD-29R+18.3
AZ-SD-10R+20.9
AZ-SD-19R+23.0
AZ-SD-28R+23.1
AZ-SD-03R+24.5
AZ-SD-25R+29.4
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