80135 ZIP Code — Sedalia, CO

Douglas County, Colorado

ZIP code 80135 is located in Sedalia, Colorado, within Douglas County. It covers approximately 372.32 square miles and serves a population of 4,061 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 720/303.

About ZIP code 80135

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $808,400. Owner-occupancy is high at 89%, well above the national average.

The gap between median ($140,833) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 23% of workers work from home.

Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.

Overall, ZIP code 80135 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

4,061

population

372.32

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80135 ZIP code map

Cities in ZIP code 80135

Below are the cities the US Postal Service accepts for ZIP code 80135. Using any city not on this list may result in mail delivery delays.

City	Status
Sedalia	Acceptable
Sedalia	Preferred

Nearby ZIP codes

80433 Conifer (13.9 mi) 80109 Castle Rock (14.5 mi) 80118 Larkspur (15.8 mi) 80125 Littleton (16 mi) 80470 Pine (16.3 mi) 80133 Palmer Lake (17.1 mi) 80104 Castle Rock (17.9 mi) 80127 Littleton (18.5 mi) 80127 Littleton (18.5 mi) 80863 Woodland Park (19.1 mi)

Demographics updated 05/2026

Population
Total population	4,061
Population density	11 / sq mi
State FIPS	08
County FIPS	035

Geography
Land area	372.32 sq mi
Water area	1.90 sq mi
Latitude	39.2658
Longitude	-105.1517
Timezone	Mountain (MT)
Area code	720/303

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.5%	14.5%	32.5%
$50k – $100k	24.5%	24.3%	31.0%
$100k – $200k	30.5%	39.5%	26.9%
Over $200k	26.4%	21.8%	9.6%

Demographics & statistics

4,061

Population

People per sq mi

50.7

Median age

$140,833

Median household income

$72,369

Per capita income

$808,400

Median home value

$2,148

Median monthly rent

89.3%

Home ownership

4.7%

Poverty rate

1.3%

Unemployment

1,639

Housing units

50.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

143

10–14

145

176

15–19

179

118

20–24

119

137

25–34

138

157

35–44

160

415

45–54

421

119

55–59

121

149

60–64

151

300

65–74

305

190

75–84

193

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	682	16.8%
18 and over	3,379	83.2%
65 and over	1,076	26.5%
Median age	50.7 years

Race & ethnicity

White 93.1%

Two or more races 3.2%

Hispanic or Latino 2%

Asian 0.5%

Other race 0.4%

Black or African American 0.4%

American Indian / Alaska Native 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	3,859	93.1%
Two or more races	134	3.2%
Hispanic or Latino	83	2%
Asian	22	0.5%
Other race	17	0.4%
Black or African American	16	0.4%
American Indian / Alaska Native	9	0.2%
Native Hawaiian / Pacific Islander	4	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.5%	14.5%	32.5%
$50k – $100k	24.5%	24.3%	31.0%
$100k – $200k	30.5%	39.5%	26.9%
Over $200k	26.4%	21.8%	9.6%

Under $10k 0.7%

$10k–$15k 0.4%

$15k–$25k 1.3%

$25k–$35k 3.9%

$35k–$50k 7.5%

$50k–$75k 6.2%

$75k–$100k 11.4%

$100k–$150k 26.3%

$150k–$200k 13.2%

$200k+ 29.1%

Range	% of households
Under $10k	0.7%
$10k–$15k	0.4%
$15k–$25k	1.3%
$25k–$35k	3.9%
$35k–$50k	7.5%
$50k–$75k	6.2%
$75k–$100k	11.4%
$100k–$150k	26.3%
$150k–$200k	13.2%
$200k+	29.1%
Median income	$140,833

Housing

Home values

Under $50k 5.5%

$50k–$100k 0.4%

$100k–$150k 0.5%

$200k–$300k 3.6%

$300k–$500k 14.4%

$500k–$1M 42.9%

$1M+ 32.6%

Housing overview

Metric	Value
Median home value	$808,400
Median rent / month	$2,148
Owner occupied	89.3%
Renter occupied	10.7%
Vacant	15.6%
Single-family detached	94.4%
Large apartment buildings	0.0%
Mobile homes	3.1%
Median rooms	6.9
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.0%
2010–2019	9.9%
2000–2009	16.5%
1990–1999	16.4%
1980–1989	9.7%
1970–1979	24.6%
1960–1969	5.9%
1950–1959	5.7%
1940–1949	2.3%
1939 or earlier	8.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	8.1%
2 bedrooms	17.9%
3 bedrooms	30.9%
4 bedrooms	26.3%
5+ bedrooms	13.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	14.2%
2 vehicles	26.6%
3 or more	55.9%

Heating fuel

Fuel type	%
Utility gas	28.3%
Electricity	8.6%
Propane / LP gas	52.2%
Fuel oil	0.3%
Wood	8.2%
Solar	0.8%

Households & families

Household type	Count	%
Married-couple family	1,109	73.0%
Cohabiting couple	64	4.2%
Male householder, no spouse	131	8.6%
Female householder, no spouse	216	14.2%
Households with children under 18	395	26.0%
Households with seniors (65+)	644	42.4%
Average household size	2.67

Marital status

Status	Male	Female
Never married	22.9%	20.4%
Married	68.1%	63.9%
Separated	0.0%	0.0%
Widowed	2.7%	4.6%
Divorced	6.3%	11.1%

Education

Less than 9th grade 0.1%

Some HS, no diploma 1.4%

HS graduate 14.6%

Some college, no degree 23.1%

Associate's degree 10.0%

Bachelor's degree 32.3%

Graduate / professional 18.4%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	50.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	35	4.7%
Kindergarten	0	0.0%
Elementary school	293	39.0%
High school	341	45.3%
College / grad school	83	11.0%

Employment

Industry of employment

Education & healthcare 17.8%

Construction 14.4%

Manufacturing 12.3%

Professional & management 10.2%

Public administration 8.4%

Retail trade 7.8%

Finance & real estate 7.1%

Arts, food & hospitality 6.3%

Transportation & utilities 5.2%

Information 3.9%

Agriculture & mining 2.5%

Other services 2.3%

Wholesale trade 1.8%

Occupation

Category	%
Management, business & arts	53.9%
Service	14.6%
Sales & office	14.6%
Natural resources & construction	9.6%
Production & transportation	7.4%

Employment type

Type	%
Private sector	78.2%
Government	16.2%
Self-employed	5.0%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	74.2%
Carpool	2.6%
Public transit	0.0%
Walk	0.0%
Work from home	22.9%
Other means	0.2%
Avg commute (minutes)	39.4

Poverty

All people 4.7%

Under 18 years 4.4%

18 and over 4.7%

Married-couple families 1.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.1%
Retirement income	28.2%
Supplemental Security	2.0%
Cash public assistance	1.4%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	21.9%
High blood pressure	29.5%
High cholesterol	36.6%
Diabetes	7.8%
Heart disease	5.8%
Stroke	2.6%
Asthma	9.2%
Arthritis	23.2%
Kidney disease	2.6%
Pulmonary disease	5.6%
Cancer	7.9%

Behavior / access	%
Smoking	11.3%
Binge drinking	17.1%
No physical activity	13.4%
Less than 7 hrs sleep	24.6%
Depression	17.3%
Fair or poor health	9.4%
Poor mental health	11.5%
Poor physical health	8.8%
No health insurance	8.3%
Visited doctor (checkup)	71.7%
Visited dentist	76.5%
Cholesterol screening	94.1%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	538	16.0%

Disability	%
Any disability	14.2%
Under 18	2.3%
18–64 years	11.3%
65 and over	28.0%

Health insurance coverage

Type	%
Private insurance	82.5%
Public insurance	33.2%
No insurance	1.1%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,980	98.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,985	98.1%
Born in same state	3,951	97.3%
Born in different state	1,573	38.7%
Foreign born	34	0.8%
Naturalized citizen	76	1.9%
Not a US citizen	62	81.6%

Ancestry

Ancestry	Count	%
French	724	17.8%
Italian	301	7.4%
Arab	269	6.6%
Polish	89	2.2%

Ancestry	Count	%
German	61	1.5%
Dutch	38	0.9%
English	23	0.6%
Norwegian	8	0.2%

Technology access

Metric	% of households
Computer access	37.4%
Internet access	98.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 80135

What city is ZIP code 80135 in?

ZIP code 80135 is primarily assigned to Sedalia, Colorado.

What county is ZIP code 80135 in?

ZIP code 80135 falls within Douglas County, Colorado.

Does ZIP code 80135 have an older population?

27% of residents in ZIP code 80135 are 65 or older, above the national average of ~17%.

Is ZIP code 80135 mostly owner-occupied?

89% of occupied units in ZIP code 80135 are owner-occupied, well above the national average.

How educated is the population of ZIP code 80135?

51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 80135 have a large veteran population?

16% of civilians in ZIP code 80135 are veterans, above the national average of ~7%.

What timezone is ZIP code 80135 in?

ZIP code 80135 observes the MST timezone.