Residential delivery area · Colorado

ZIP Code 80124: Lone Tree, CO

ZIP code 80124 is in Lone Tree, Colorado, entirely in Douglas County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $129,858 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lone Tree (63%), Highlands Ranch (7%) and Acres Green (6%); 23% 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)
24delivery area within it
Town
Lone Tree · its only residential ZIP
Census places
Lone Tree (63%); Highlands Ranch (7%) census-designated place; Acres Green (6%) census-designated place
Metro area
Denver-Aurora-Centennial, CO
House district
CO-4 119th Congress
Time zone
Mountain
Land area
9.4 sq mi · 2,404 people per sq mi

Where is ZIP code 80124?

80124 centers on 39.533°, -104.891° and covers 9.4 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 80130, 80112, 80126, 80108, 80134.

80108 · Castle Rock80112 · Englewood80126 · Littleton80130 · Littleton80134 · Parker80124 · Lone Tree (this ZIP)801248013480112801268013080108 · Castle Rock80112 · Englewood80126 · Littleton80130 · Littleton80134 · Parker80124 · Lone Tree (this ZIP)8012480112801268013080108 · Castle Rock80112 · Englewood80126 · Littleton80130 · Littleton80134 · Parker80124 · Lone Tree (this ZIP)80124801128012680130
Shaded by median household income, in national fifths (ACS 2020-2024); 80124 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 80124, 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 80124 compare with the rest of Douglas County?

Rank of 80124 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)
Measure80124In Douglas CountyIn CO
People (ACS 2020-2024)22,55512th of 18112th of 527
Median household income$130k14th of 1642nd of 277
Median home value$774k6th of 1738th of 311

Its median household income is higher than in 93% of U.S. residential ZIP codes, and it is denser than 86% 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 80124?

The 2020 Census counted 22,541 people in 80124; the ACS, which samples households over 2020-2024, estimates 22,555. Between the 2010 and 2020 censuses its population grew 25.1% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
22,555
2020 Census count
22,541+25.1% since 2010 (18,020)
Households
9,948
Median age
38.7

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 80124?

Of the 22,555 people the ACS estimates in 80124, 18.5% are under 18 and 17.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.4%), then Asian (not Hispanic) (13.4%).

  • Under 1818.5%
  • 18 to 6464.5%
  • 65 and older17.0%
Age of the people of 80124 (ACS 2020-2024, B01001)
  • White, not Hispanic72.4%
  • Asian, not Hispanic13.4%
  • Hispanic or Latino7.3%
  • Other or two or more4.8%
  • Black, not Hispanic2.2%
Race and Hispanic origin in 80124 (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 80124 earn?

Median household income is $129,858 (ACS 2020-2024), the 14th highest of the 16 ranked ZIP codes in Douglas County. It is not measurably different from 2015-2019 ($135,894 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$129,858
Income per person
$74,563
Below the poverty line
4.7%
Unemployed (of the labor force)
4.4%
Adults 25+ with a bachelor's degree
66.9%
Adjusted gross income per tax return, 2022
$159,09212,080 returns; wages 65% 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 80124?

FHFA's house price index for 80124, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 35% from 2020 to 2025, and moved −1.5% in 2025.

Median home value (owners' estimate)
$773,900
Median gross rent
$2,180
Homes owned by their occupants
54.0%
Housing units
10,282
0 200 400 600 800 197919902000201020202025 0 200 400 600 800 197919902000201020202025 0 200 400 600 800 197919902000201020202025
Index = 100 in 1979, the first year FHFA reports for 80124; 2025: 807.7. 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 80124?

1,168 business establishments had a location in this ZIP code in 2023, 119 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).

  • Health care and social assistance226
  • Retail trade210
  • Professional, scientific, and technical services144
  • Accommodation and food services112
  • Finance and insurance100
  • Real estate and rental and leasing91

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 80124?

ZIP codes that share a boundary with 80124, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
80130Littleton24,719$159k1.8 mi
80112Englewood36,816$109k3.1 mi
80126Littleton44,882$170k3.9 mi
80108Castle Rock36,730$181k6.4 mi
80134Parker80,302$147k6.9 mi
80122Littleton32,195$129k4.7 mi (near)
80111Englewood31,561$136k5.5 mi (near)
80121Littleton18,029$142k6.3 mi (near)
80129Littleton30,223$142k6.5 mi (near)

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