State House District 21 State House District (CO) — Elections 1876–2024

Colorado 21st State House District, Colorado: Republican loyalist district. In 2024, voted R+10%. Republican peak: R+52 in 1928.

Key facts

2024 presidential margin: R+10MIT Election Lab
Political archetype: Republican loyalistAkashic typology
Population: 71,2842024 5-year
Median household income: $90,3632024 5-year
White (non-Hispanic): 70.3%2024 5-year
Black: 5.8%2024 5-year
Hispanic / Latino: 18.7%2024 5-year
Peak Democratic margin: D+47 in 1896MIT Election Lab
Peak Republican margin: R+52 in 1928MIT Election Lab

2024 results by constituent county

1 counties · 0 D · 1 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).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−9.8%	15,983	19,565	36,552
2020	R	−10.8%	15,507	19,434	36,288
2016	R	−22.3%	10,363	17,195	30,602
2012	R	−20.4%	10,728	16,401	27,840
2008	R	−18.8%	10,448	15,381	26,209
2004	R	−34.6%	7,450	15,481	23,197
2000	R	−33.1%	5,929	12,309	19,261
1996	R	−26.9%	5,356	9,825	16,640
1992	R	−24.1%	4,397	8,255	16,038
1988	R	−41.1%	3,837	9,303	13,284
1984	R	−51.1%	2,704	8,479	11,299
1980	R	−37.2%	2,635	6,351	9,977
1976	R	−20.9%	3,157	4,886	8,263
1972	R	−41.9%	2,037	5,170	7,482
1968	R	−18.2%	2,037	3,076	5,723
1964	D	+7.8%	2,671	2,285	4,970
1960	R	−30.0%	1,633	3,034	4,673
1956	R	−18.0%	1,811	2,617	4,477
1952	R	−38.3%	1,075	2,425	3,528
1948	R	−12.0%	1,179	1,507	2,727
1944	R	−16.8%	1,120	1,573	2,704
1940	R	−11.4%	1,278	1,609	2,908
1936	D	+17.0%	1,502	1,052	2,642
1932	R	−2.7%	1,089	1,153	2,336
1928	R	−51.8%	486	1,558	2,070
1924	R	−33.1%	397	980	1,760
1920	R	−29.4%	487	915	1,457
1916	D	+7.4%	804	687	1,577
1912	O	+18.2%	533	270	1,444
1908	R	−13.5%	575	770	1,445
1904	R	−27.9%	507	920	1,482
1900	R	−10.5%	598	744	1,384
1896	D	+47.1%	1,695	599	2,328
1892	O	−47.4%	0	255	538
1888	R	−24.8%	123	208	343
1884	R	−36.7%	51	116	177
1880	R	−32.0%	56	110	169
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

17.8%

English

12.7%

Irish

11.2%

Italian

4.4%

American

4.4%

Scottish

2.8%

Polish

2.4%

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: 35.1 in this county, 39.1 nationally

Male

Age

Female

0.6%

85+

0.8%

1.7%

75–84

2.3%

4.0%

65–74

4.6%

5.4%

55–64

5.8%

5.6%

45–54

5.5%

7.1%

35–44

6.7%

8.6%

25–34

7.7%

5.9%

18–24

4.6%

8.7%

5–17

8.3%

3.2%

3.0%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$90,363

State House District 21 ranks near the middle of US counties.

State House District 21$90,363

Colorado$95,470

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

8.5%

Child poverty is below the national average.

Children under 1810.1%

Working age (18–64)7.9%

Seniors (65+)9.3%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

88.7%

speak English only

Spanish7.1%

Other Indo-European2.2%

Asian & Pacific Islander1.7%

Other languages0.4%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Other Christian

18.0%

Catholic & Orthodox

16.6%

Baptist

2.6%

Mainline Protestant

2.5%

Pentecostal & Holiness

1.6%

Methodist

1.3%

Non-Christian

0.6%

Source · 2020 US Religion Census. Remaining 56.8% of residents not counted as adherents by any reporting body.

Colorado House District 21 covers communities along the foothills west of Denver, where the 2024 presidential margin landed at R+17.8 — well above the statewide average and consistent with the area's pattern of durable Republican preference.

The Republican margin in Colorado 21st State House District reached its widest at fifty-two points in 1928. The margin in 2024 was ten points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $90,363, a 70% non-Hispanic-white share, and a population of 71,284 together describe a district whose political habits are deeply settled.

Compare two places, side by side

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State House District 21, Colorado. Akashic. https://akashic.app/sld-lower/08021/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State House District 21, Colorado vote in 2024?

In 2024, State House District 21, Colorado voted Republican by 9.8 points (R+10), carried by the Republican candidate. Out of 36,552 votes cast, 15,983 went Democratic and 19,565 went Republican.

What is State House District 21, Colorado's political archetype?

Akashic classifies State House District 21, Colorado as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 4 times, Republican 31 times, and other 2 times.

When did State House District 21, Colorado last vote Democratic?

The most recent presidential election in which State House District 21, Colorado voted Democratic was 1964.

How many people live in State House District 21, Colorado?

State House District 21, Colorado has a population of 71,284 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State House District 21, Colorado?

Median household income in State House District 21, Colorado is $90,363 — above the national median of $80,734. The Colorado state median is $95,470.

What is the political history of State House District 21, Colorado?

Akashic tracks 38 presidential elections in State House District 21, Colorado from 1876 to 2024. Of those, 4 went Democratic and 31 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.

Colorado 21st State House District has voted Republican in fifteen straight presidential cycles.

Key facts

Demographics

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Frequently asked questions