akashic
1876–2024
State Senate District 16·California

California 16th State Senate District has voted Republican in fifteen straight presidential cycles.

One of California's most Democratic-leaning upper-chamber districts

1876 — 2024·38 elections
CA
Latest
R+21
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
463,249
2024 ACS

California 16th State Senate District, California: Republican loyalist district. In 2024, voted R+21%. Democratic peak: D+48 in 1912.

Key facts

2024 presidential margin
R+21MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
463,2492024 5-year
Median household income
$70,8042024 5-year
White (non-Hispanic)
40.1%2024 5-year
Black
4.5%2024 5-year
Hispanic / Latino
59.7%2024 5-year
Peak Democratic margin
D+48 in 1912MIT Election Lab
Peak Republican margin
R+33 in 2004MIT Election Lab
2024 results by constituent county
4 counties · 0 D · 4 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−21.3%
51,50280,314135,015
R
−9.9%
63,20377,544144,178
R
−11.7%
46,20559,476113,662
R
−15.5%
42,18358,123102,975
R
−15.7%
45,26262,546110,142
R
−32.8%
33,36666,451100,780
R
−22.2%
33,13752,86488,788
R
−12.6%
32,59143,07383,008
R
−8.3%
30,50437,57985,166
R
−19.7%
28,45742,63671,931
R
−29.5%
24,83145,83971,326
R
−22.1%
22,25436,02462,290
R
−6.0%
25,06828,34454,483
R
−21.9%
21,58634,42058,550
R
−3.3%
24,48626,35356,272
D
+25.6%
35,01420,72455,790
D
+2.1%
26,43725,33552,021
D
+2.4%
23,43022,32545,901
R
−7.1%
20,64523,83944,820
D
+14.1%
18,76614,01233,662
D
+15.6%
16,16811,79128,141
D
+25.7%
20,11811,81832,247
D
+46.9%
17,2456,14123,698
D
+39.3%
13,2565,51919,688
R
−18.6%
6,1839,05215,409
R
−30.7%
2,6337,02814,300
R
−21.8%
4,1016,61411,517
D
+12.4%
6,7455,14012,897
O
+48.0%
4,21708,784
R
−9.7%
1,9182,3814,763
R
−19.9%
1,3712,1714,012
D
+0.5%
1,8521,8343,858
D
+17.6%
1,9121,3313,308
D
+11.0%
9337002,118
D
+8.8%
9287711,782
D
+13.5%
5974481,100
D
+16.9%
469328835
D
+18.0%
521362883

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
5.2%
English
4.9%
Irish
4.4%
American
2.5%
Italian
1.8%
French
0.9%
Scottish
0.8%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 32.5 in this county, 39.1 nationally
Male
Age
Female
0.5%
85+
0.8%
1.5%
75–84
1.7%
3.4%
65–74
3.6%
5.0%
55–64
4.9%
5.9%
45–54
5.1%
7.7%
35–44
6.3%
8.3%
25–34
7.0%
5.5%
18–24
4.7%
10.8%
5–17
10.4%
3.6%
<5
3.5%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$70,804
State Senate District 16 ranks near the middle of US counties.
State Senate District 16$70,804
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
17.8%
Children face moderate poverty.
Children under 1823.8%
Working age (18–64)15.3%
Seniors (65+)14.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
54.4%
speak English only
Spanish40.8%
Asian & Pacific Islander2.6%
Other Indo-European1.6%
Other languages0.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
31.7%
Other Christian
8.7%
Pentecostal & Holiness
2.8%
Baptist
2.4%
Mainline Protestant
0.9%
Non-Christian
0.7%
Methodist
0.4%
Source · 2020 US Religion Census. Remaining 52.6% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+36.5, this district of nearly 1 million residents delivers among the most lopsided statewide results in California's senate map, signaling a highly concentrated Democratic coalition.

The Republican margin in California 16th State Senate District reached its widest at thirty-three points in 2004. The margin in 2024 was twenty-one points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $70,804, a 40% non-Hispanic-white share, and a population of 463,249 together describe a district whose political habits are deeply settled.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 16, California. Akashic. https://akashic.app/sld-upper/06016/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 16, California vote in 2024?
In 2024, State Senate District 16, California voted Republican by 21.3 points (R+21), carried by the Republican candidate. Out of 135,015 votes cast, 51,502 went Democratic and 80,314 went Republican.
What is State Senate District 16, California's political archetype?
Akashic classifies State Senate District 16, California as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 16 times, Republican 21 times, and other 1 times.
When did State Senate District 16, California last vote Democratic?
The most recent presidential election in which State Senate District 16, California voted Democratic was 1964.
How many people live in State Senate District 16, California?
State Senate District 16, California has a population of 463,249 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 16, California?
Median household income in State Senate District 16, California is $70,804 — below the national median of $80,734. The California state median is $99,122.
What is the political history of State Senate District 16, California?
Akashic tracks 38 presidential elections in State Senate District 16, California from 1876 to 2024. Of those, 16 went Democratic and 21 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.