Residential delivery area · Colorado

ZIP Code 80135: Sedalia, CO

ZIP code 80135 uses the postal name Sedalia, Colorado and lies mostly in Douglas County (83% of its land) with the rest in Jefferson County (Census 2020 ZIP-county file). About 4,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $136,083 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Sedalia (under 1%) and Westcreek (under 1%), and under 1% in smaller places; 99% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
8national area: Colorado, Arizona, Idaho, New Mexico, Nevada and 2 more
801sectional center: Denver, CO (SCF 800)
35delivery area within it
Town
Sedalia · its only residential ZIP
County
Douglas County (83%); Jefferson County (17%)
Census places
Sedalia (under 1%) census-designated place; Westcreek (under 1%) census-designated place
Metro area
Denver-Aurora-Centennial, CO
House districts
CO-4 (83%), CO-7 (17%) 119th Congress, by share of land
Time zone
Mountain
Land area
372.3 sq mi · 11 people per sq mi

Where is ZIP code 80135?

80135 centers on 39.255°, -105.157° and covers 372.3 square miles of land plus 1.9 of water. It borders 12 ZIP codes: 80425, 80470, 80109, 80118, 80863, 80125, 80131, 80433, 80127, 80108 and more.

80108 · Castle Rock80109 · Castle Rock80118 · Larkspur80125 · Littleton80127 · Littleton80130 · Littleton80131 · Louviers80425 · Buffalo Creek80433 · Conifer80470 · Pine80827 · Lake George80863 · Woodland Park80135 · Sedalia (this ZIP)801358082780863804708011880433801278042580125801088010980108 · Castle Rock80109 · Castle Rock80118 · Larkspur80125 · Littleton80127 · Littleton80130 · Littleton80131 · Louviers80425 · Buffalo Creek80433 · Conifer80470 · Pine80827 · Lake George80863 · Woodland Park80135 · Sedalia (this ZIP)8013580827808638047080118804338012780425801258010880108 · Castle Rock80109 · Castle Rock80118 · Larkspur80125 · Littleton80127 · Littleton80130 · Littleton80131 · Louviers80425 · Buffalo Creek80433 · Conifer80470 · Pine80827 · Lake George80863 · Woodland Park80135 · Sedalia (this ZIP)801358082780863804708011880433801278012580108
Shaded by median household income, in national fifths (ACS 2020-2024); 80135 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 80135, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 80135 compare with the rest of Douglas County?

Rank of 80135 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure80135In Douglas CountyIn CO
People (ACS 2020-2024)4,14117th of 18240th of 527
Median household income$136k12th of 1630th of 277
Median home value$881k4th of 1723rd of 311

Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 18% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 80135?

The 2020 Census counted 4,100 people in 80135; the ACS, which samples households over 2020-2024, estimates 4,141. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
4,141±496 (90% margin)
2020 Census count
4,100
Households
1,679
Median age
54.9

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 80135?

Of the 4,141 people the ACS estimates in 80135, 13.2% are under 18 and 31.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.2%).

  • Under 1813.2%
  • 18 to 6455.2%
  • 65 and older31.6%
Age of the people of 80135 (ACS 2020-2024, B01001)
  • White, not Hispanic92.2%
  • Hispanic or Latino4.9%
  • Other or two or more2.6%
  • Asian, not Hispanic0.3%
  • Black, not Hispanic0.0%
Race and Hispanic origin in 80135 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 80135 earn?

Median household income is $136,083 (ACS 2020-2024), the 12th highest of the 16 ranked ZIP codes in Douglas County.

Median household income
$136,083±$28,329
Income per person
$75,216
Below the poverty line
7.0%
Unemployed (of the labor force)
3.3%
Adults 25+ with a bachelor's degree
51.7%
Adjusted gross income per tax return, 2022
$203,5781,950 returns; wages 44% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 80135?

FHFA's house price index for 80135, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +7.7% in 2025.

Median home value (owners' estimate)
$880,500
Median gross rent
$1,992
Homes owned by their occupants
88.7%
Housing units
1,907
0 200 400 600 198619902000201020202025 0 200 400 600 198619902000201020202025 0 200 400 600 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 80135; 2025: 658.0. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 80135?

166 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction38
  • Professional, scientific, and technical services23
  • Other services (except public administration)19
  • Real estate and rental and leasing14
  • Retail trade10
  • Finance and insurance10

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 80135?

ZIP codes that share a boundary with 80135, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
80425Buffalo Creek243$82k7.1 mi
80470Pine3,608$136k12.4 mi
80109Castle Rock28,400$155k15.4 mi
80118Larkspur5,632$158k15.4 mi
80863Woodland Park12,329$105k16.3 mi
80125Littleton15,630$180k16.7 mi
80131Louviers276$107k17.2 mi
80433Conifer8,292$134k18.5 mi
80127Littleton43,494$137k19.1 mi
80108Castle Rock36,730$181k20.9 mi
80827Lake George808$88k21.5 mi
80130Littleton24,719$159k22.6 mi

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.