US ZIP Code
80503

Longmont, CO

Boulder County  ·  Colorado

● Active
👥 36,206 Population ↑ 2% since 2019
💰 $118,465 Median HH Income
▲ 55% above avg ↑ 22% since 2019
🎂 43.9 Median Age ↑ 4% since 2019
🏠 $704,800 Median Home Value
▲ 153% above avg ↑ 45% since 2019
🎓 68.7% College Grads
▲ 77% above avg
📊 2.9% Unemployment
▼ 41% below avg ↓ 28% since 2019
ZIP Code Details
ZIP Code80503
CityLongmont
StateColorado (CO)
CountyBoulder County
Area Code303/720/983
Elevation5,175 ft
Latitude40.169014
Longitude-105.210376
TimezoneDenver (DST)
FIPS08013
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.0% (18,117) Female 50.0% (18,089) ♀

Race & Ethnicity

White: 81.5%Hispanic: 9.5%Black: 0.3%Asian: 4.9%Other: 3.6%Race
White81.5%
Hispanic9.5%
Black0.3%
Asian4.9%
Other3.6%

Age Breakdown

Under 5
3%
5–17
17%
18–24
8%
25–44
24%
45–64
29%
65+
8%

Key Indicators

Median Age43.9 yrs ↑ 4% since 2019
Avg Household Size2.39
Below Poverty5.1% ▼ 49% below avg
College Grads68.7% ▲ 77% above avg
Unemployment2.9% ▼ 41% below avg
No HS Diploma188 (0.8%)
HS Graduate2,763 (11.2%)
Some College1,824 (7.4%)
Associates2,969 (12%)
Bachelors2,344 (9.5%)
Graduate Degree14,682 (59.3%)

Education

No HS: 0.8%HS Grad: 11.2%Some College: 7.4%Associates: 12%Bachelors: 9.5%Graduate: 59.3%Edu
No HS0.8%
HS Grad11.2%
Some College7.4%
Associates12.0%
Bachelors9.5%
Graduate59.3%
Housing & Income

Housing Tenure

Owner: 68.5%Renter: 31.5%Tenure
Owner68.5%
Renter31.5%

Home Value Distribution

Under $50k
2%
$50k–100k
0%
$100k–150k
0%
$200k–300k
1%
$300k–500k
12%
Over $500k
85%

Financials

Median HH Income$118,465 ▲ 55% above avg ↑ 22% since 2019
Median Home Value$704,800 ▲ 153% above avg ↑ 45% since 2019
Home/Income Ratio5.9x (nat avg ~3.5x)
Median Rent$1,843/mo ↑ 31% since 2019
Total Units15,508
Vacant Units497
Avg HH Size2.39

Income Distribution

Under $25k
8%
$25k–50k
10%
$50k–75k
12%
$75k–100k
11%
$100k–150k
19%
$150k–200k
14%
Over $200k
26%
Employment & Commute

How People Get to Work

Drove Alone
69%
Public Transit
1%
Walked
2%
Work From Home
29%

Commute Time

Under 15 min
30%
15–30 min
38%
30–45 min
19%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
4%
1960s–1970s
17%
1980s–1990s
22%
2000+
56%

Summary

Total Units15,508
Vacant497
Owner Occupied68.5%
Renter Occupied31.5%
Avg HH Size2.39
Frequently Asked Questions
ZIP code 80503 is in Longmont, CO, in Boulder County.
ZIP code 80503 is located in Colorado (CO).
ZIP code 80503 is in Boulder County, CO.
ZIP 80503 observes the Denver timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 80503 is 36,206 people (ACS 2023).
The median household income in ZIP code 80503 is $118,465 (ACS 2023).
The median home value in ZIP 80503 is $704,800 (ACS 2023).
About ZIP Code 80503

ZIP code 80503 is located in Longmont, Colorado, within Boulder County. With a population of 36,206, this is a highly populated ZIP code with a middle-aged community — the median age is 43.9 years. Economically, 80503 is a upper-middle-income ZIP code: the median household income of $118,465 is significantly above the national average.

Real estate in ZIP code 80503 represents a premium housing market. The median home value of $704,800 is more than double the national average. Renters can expect to pay around $1,843 per month in median rent. Homeownership is strong here — 68.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 45% since 2019.

The population of 80503 is primarily White (81.50%). Residents are highly educated — 68.7% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.1%. Household income has grown by 22% since 2019.

The unemployment rate in 80503 stands at 2.9%, which is below the national average. A notably high share of workers — 26% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 63%.

Overall, ZIP code 80503 in Longmont, CO is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 36,206 residents, a median household income of $118,465, and a median home value of $704,800, it offers a clear picture of life in this part of Colorado.