PlainZIP

Longmont, CO · standard

ZIP Code 80503

Boulder County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

31,064
132/sq mi
$113,620
Median income
$755,500
Median home value
59.9%
Bachelor's or higher

The verdict

Longmont pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 5%
home value, US ZIPs
132
people per sq mi
66%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80503 against every reporting US ZIP.

ZIP code 80503 is a densely settled ZIP (a standard USPS delivery area) in Longmont, Boulder County, Colorado, with 31,064 residents across 235.9 square miles, a density of 132 people per square mile, in the Denver time zone.

ZIP 80503 skews affluent, with a median household income of $113,620 (28% above the Colorado average), while per-capita income is $64,526. Poverty here runs at 5.8%, with unemployment measured at 3.5%. On housing, the median home value is $755,500 (56% above the state average) with median rent at $1,872 per month, and 66.1% of occupied units are owner-occupied.

This is a highly-educated ZIP: 59.9% of adults hold a bachelor's degree or higher, the median age is 44.8, and the average commute is 23 minutes. Beyond these figures, 5 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Boulder County, letting you compare 80503 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 80503

Top 5 sectors by establishment count in Longmont, CO

Which industries have the most business establishments in ZIP 80503.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 80503, Longmont, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

31,064

Population

235.9

Area (sq mi)

132

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 80503?

44.8

Median Age

49.2%

Male

50.8%

Female

7.7%

Foreign-Born

White 81.5%
African American 0.6%
Asian 5.2%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.9%
Hispanic or Latino 10.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$113,620

Median Household Income

+28% vs state

$64,526

Per Capita Income

5.8%

Poverty Rate

3.5%

Unemployment Rate

23.1 min

Mean Commute Time

How ZIP 80503 ranks nationally

Longmont, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$113,620 Top 12% higher than 88% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 72.7%
Bachelor's Degree or Higher 59.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

15,737

Total Housing Units

15,153

Occupied Units

584

Vacant Units

2.35

Avg Household Size

Occupancy Type

Owner 66.1%
Renter 33.9%

$755,500

Median Home Value

+56% vs state

$1,872

Median Rent

1994

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.8%

YoY Change (2024)

269

HPI Index (2000 = 100)

+169%

Total Change Since 2000

Home values in ZIP 80503 have increased 4.8% over the past year (2024). Since 2000, this ZIP has seen +169% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.8% 194
2021 +10.2% 214
2022 +19.6% 256
2023 +0.3% 256
2024 +4.8% 269

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 767 business establishments in ZIP 80503, employing approximately 7,488 people with a combined annual payroll of $662,524,000.

767

Businesses

7,488

Employees

$662.5M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 195 25.4%
Construction 88 11.5%
Health care and social assistance 81 10.6%
Real estate and rental and leasing 68 8.9%
Other services (except public administration) 52 6.8%
Administrative and support and waste management and remediation services 38 5.0%
Retail trade 37 4.8%
Finance and insurance 34 4.4%
Accommodation and food services 33 4.3%
Wholesale trade 29 3.8%
Manufacturing 28 3.6%
Arts, entertainment, and recreation 22 2.9%
Information 21 2.7%
Educational services 17 2.2%
Agriculture, forestry, fishing and hunting 11 1.4%
Transportation and warehousing 8 1.0%
Management of companies and enterprises 3 0.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 80503 vs 80544 →

ZIP 80503 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 80503 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 80503 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 80503 ranks #3 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
80544 Niwot, CO 111 4.9 mi
80501 Longmont, CO 39,521 5.3 mi
80301 Boulder, CO 22,555 8.4 mi
80304 Boulder, CO 25,623 9.8 mi
80513 Berthoud, CO 10,296 10.3 mi

More ZIP Codes in Boulder County

80504 standard
Longmont, CO
Pop: 46,876
80501 standard
Longmont, CO
Pop: 39,521
80027 standard
Louisville, CO
Pop: 31,034
80302 standard
Boulder, CO
Pop: 26,941
80026 standard
Lafayette, CO
Pop: 26,378
80304 standard
Boulder, CO
Pop: 25,623

Related Areas

Boulder County Longmont, CO Colorado

Frequently Asked Questions

What county is ZIP code 80503 in? ▼
ZIP code 80503 (Longmont) is located in Boulder County, Colorado. Boulder County contains multiple ZIP codes, see the full list at /counties/boulder-co.
What is the population of ZIP code 80503? ▼
ZIP code 80503 in Longmont, CO has a population of 31,064 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80503? ▼
The median household income in ZIP 80503 is $113,620, which is 49% above the national average of $76,288.
What is the average home value in ZIP 80503? ▼
The median home value in ZIP 80503 is $755,500, which is 172% above the national average of $278,155.
What is the demographic makeup of ZIP 80503? ▼
The largest racial group in ZIP 80503 is White at 81.5%. Hispanic or Latino residents make up 10.2% of the population.
How many businesses are in ZIP code 80503? ▼
ZIP code 80503 has 767 business establishments employing approximately 7,488 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80503? ▼
The top industries by establishment count in ZIP 80503 are: Professional, scientific, and technical services (195), Construction (88), Health care and social assistance (81). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 80503? ▼
According to the FHFA House Price Index, home values in ZIP 80503 increased by 4.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 169%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 80503? ▼
In ZIP code 80503, 72.7% of residents aged 25+ have a high school diploma or higher, and 59.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 80503? ▼
The mean commute time for workers in ZIP code 80503 is 23.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 80503? ▼
In ZIP code 80503, approximately 66.1% of occupied housing units are owner-occupied and 33.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80503? ▼
The poverty rate in ZIP code 80503 is 5.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.