† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupNew Castle, INIndianaUnited States
German16.9%19.5%12.5%
English16.3%11.3%9.5%
Irish10.7%10.1%9.4%
American10.0%6.9%5.3%
Scottish1.9%1.5%1.3%
French1.0%1.3%1.6%
Italian0.9%2.4%4.8%
Scotch-Irish0.8%——
Mexican1.7%5.7%11.3%
Puerto Rican0.2%0.8%1.8%
African American†1.8%7.7%9.9%
Nigerian0.3%0.3%0.2%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
New Castle, IN
Indiana
United States
Median age
42.2
38.2
39.1
Age 18–24
7.9%
9.6%
9.2%
Age 65 and older
19.6%
16.7%
17.2%
Household economy
Measure
New Castle, IN
Indiana
United States
Median household income
$63,150
$71,957
$84,427
Poverty rate
13.6%
12.4%
12.5%
Bachelor's degree or higher (25+)
17.5%
29.7%
35.6%
Languages at home
Measure
New Castle, IN
Indiana
United States
Speaks a non-English language at home
2.3%
10.4%
22.3%
Spanish
1.6%
5.5%
13.6%
Religious landscape
Measure
New Castle, IN
Indiana
United States
Catholic
0.9%
11.5%
18.6%
Evangelical Protestant
20.5%
18.0%
16.5%
Unclaimed / not counted
70.7%
57.9%
51.5%
Mainline Protestant
6.3%
7.1%
5.2%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
New Castle, IN
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−24.2%
1896
−14.4%
1900
−18.1%
1904
−26.1%
1908
−14.6%
1912
+2.7%
1916
−9.4%
1920
−19.0%
1924
−23.7%
1928
−38.8%
1932
−1.0%
1936
+5.5%
1940
−6.8%
1944
−11.8%
1948
−10.1%
1952
−25.4%
1956
−23.4%
1960
−17.5%
1964
+9.6%
1968
−16.2%
1972
−44.2%
1976
−6.8%
1980
−24.1%
1984
−25.5%
1988
−18.3%
1992
−9.6%
1996
−4.7%
2000
−14.6%
2004
−29.1%
2008
−3.9%
2012
−17.0%
2016
−43.2%
2020
−45.2%
2024
−47.7%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
25.3%Harris5,208
73.0%Trump15,033
1.1%Kennedy229 +3
R+47.7
R+2.5
R+46.2
20,604
All 6 candidates in 2024 · 4 minor / independent
Donald J TrumpRepublican73.0%15,033
Kamala D HarrisDemocratic25.3%5,208
Robert F KennedyIndependent1.1%229
Chase OliverLibertarian0.6%122
Peter SonskiIndependent0.1%11
Cornel WestIndependent0.0%1
R
26.4%Biden5,544
71.5%Trump15,043
2.1%
R+45.2
R+1.9
R+49.6
21,030
R
25.3%Clinton5,124
68.5%Trump13,895
6.3%
R+43.2
R+26.3
R+45.3
20,290
R
40.1%Obama7,613
57.0%Romney10,838
2.9%
R+17.0
R+13.0
R+20.8
19,007
R
47.2%Obama10,059
51.1%McCain10,896
1.7%
R+3.9
D+25.1
R+11.2
21,319
R
35.0%Kerry7,176
64.1%Bush13,137
0.9%
R+29.1
R+14.5
R+26.6
20,504
R
41.8%Gore7,647
56.4%Bush10,321
1.9%
R+14.6
R+9.9
R+15.1
18,315
R
41.0%Clinton7,667
45.7%Dole8,537
13.3%
R+4.7
D+5.0
R+13.2
18,691
R
34.0%Clinton6,794
43.6%Bush8,720
22.4%
R+9.6
D+8.7
R+15.2
19,989
R
40.7%Dukakis7,779
59.0%Bush11,280
0.3%
R+18.3
D+7.2
R+10.6
19,116
R
37.1%Mondale7,064
62.6%Reagan11,926
0.4%
R+25.5
R+1.5
R+7.3
19,062
R
36.0%Carter7,626
60.0%Reagan12,724
4.0%
R+24.1
R+17.3
R+14.3
21,196
R
46.4%Carter10,137
53.2%Ford11,620
0.4%
R+6.8
D+37.4
R+8.9
21,848
R
27.8%McGovern5,610
71.9%Nixon14,538
0.3%
R+44.2
R+28.0
R+21.0
20,208
R
36.4%Humphrey8,045
52.6%Nixon11,626
11.0%
R+16.2
R+25.9
R+15.5
22,097
D
54.5%Johnson12,374
44.9%Goldwater10,184
0.6%
D+9.6
D+27.2
R+12.9
22,697
R
40.9%Kennedy9,629
58.4%Nixon13,752
0.6%
R+17.5
D+5.9
R+17.7
23,530
R
37.9%Stevenson8,502
61.3%Eisenhower13,750
0.7%
R+23.4
D+2.0
R+8.0
22,418
R
36.6%Stevenson8,378
62.0%Eisenhower14,184
1.4%
R+25.4
R+15.3
R+14.6
22,882
R
43.9%Truman8,523
54.0%Dewey10,487
2.1%
R+10.1
D+1.7
R+14.6
19,421
R
43.0%Roosevelt8,297
54.8%Dewey10,583
2.2%
R+11.8
R+5.0
R+19.3
19,296
R
46.1%Roosevelt9,623
53.0%Willkie11,051
0.9%
R+6.8
R+12.4
R+16.8
20,858
D
52.4%Roosevelt10,172
46.9%Landon9,099
0.8%
D+5.5
D+6.5
R+18.7
19,420
R
47.7%Roosevelt8,255
48.7%Hoover8,430
3.7%
R+1.0
D+37.8
R+18.8
17,319
R
29.7%Smith4,554
68.5%Hoover10,502
1.7%
R+38.8
R+15.1
R+21.3
15,324
R
37.2%Davis5,376
60.9%Coolidge8,800
2.0%
R+23.7
R+4.6
D+1.5
14,461
R
38.0%Cox5,824
57.0%Harding8,742
5.0%
R+19.0
R+9.6
D+7.2
15,328
R
40.6%Wilson3,560
50.0%Hughes4,386
9.4%
R+9.4
R+12.1
R+12.6
8,771
D
34.8%Wilson2,687
32.1%Taft2,479
33.1%
D+2.7
D+17.2
R+16.8
7,717
R
40.1%Bryan3,197
54.6%Taft4,358
5.3%
R+14.6
D+11.5
R+5.0
7,978
R
33.9%Parker2,482
60.0%Roosevelt4,391
6.1%
R+26.1
R+8.0
R+6.4
7,319
R
38.6%Bryan2,754
56.7%McKinley4,047
4.7%
R+18.1
R+3.7
R+10.6
7,135
R
42.0%Bryan2,980
56.4%McKinley4,001
1.5%
R+14.4
D+9.8
R+8.3
7,090
R
30.9%Cleveland1,871
55.0%Harrison3,336
14.1%
R+24.2
—
R+25.8
6,061
Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
R
24.6%5,023
72.5%14,818
20,443
2022
R
24.7%3,338
69.6%9,388
13,498
2018
R
33.0%5,171
61.0%9,569
15,693
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in New Castle, IN
Year
Total registered
2016
30,185
2018
30,161
2020
30,625
2022
31,198
2024
31,648
domestic migration
Who moves in and out
Net domestic migration over time
+311 net domestic migration · 2025
20112025
Net +840 over 2011–2025 · gain loss
Domestic migration in New Castle, IN in New Castle, IN: net domestic migration by year
Year
Net domestic migration
2011
−203
2012
+18
2013
−176
2014
+124
2015
−118
2016
−200
2017
+10
2018
+111
2019
−60
2021
+235
2022
+72
2023
+410
2024
+306
2025
+311
New Castle anchors a compact Indiana metro where blue-collar industrial identity has historically kept margins tighter than the surrounding rural counties, even as the region has trended more reliably Republican over the past two decades.
Across the recorded series it reached a Democratic high of 9.6 points in 1964 and a Republican high of 47.7 points in 2024. Between 2020 and 2024 the metro moved 2.5 points toward the Republican candidate; the 2024 margin was 47.7 points.
A population of 48,970, a 92% non-Hispanic-white share, and a median household income of $63,150 describe the metro. The metro's voting pattern over the last decade is most similar to that of Richmond, IN and Jacksonville, IL.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
New Castle, IN, Indiana. Akashic. https://akashic.app/cbsa/35220/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, New Castle, IN, Indiana voted Republican by 47.7 points (R+47.7), carried by the Republican candidate. Out of 20,604 votes cast, 5,208 went Democratic and 15,033 went Republican.
When did New Castle, IN, Indiana last vote Democratic?
The most recent presidential election in which New Castle, IN, Indiana voted Democratic was 1964.
How many people live in New Castle, IN, Indiana?
New Castle, IN, Indiana has a population of 48,970 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in New Castle, IN, Indiana?
Median household income in New Castle, IN, Indiana is $63,150 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of New Castle, IN, Indiana?
Akashic tracks 34 presidential elections in New Castle, IN, Indiana from 1892 to 2024. Of those, 3 went Democratic and 31 went Republican.
