Zip code 80305: Boulder, Colorado

Q: What city is zip code 80305?

80305 is assigned to Boulder, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 80305 in?

80305 is in Boulder County, Colorado.

Q: What is the population of 80305?

About 16,291 people live in 80305, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 80305?

The median household income in 80305 is $126,107.

Q: What zip codes are near 80305?

The closest zip codes to 80305 are 80310, 80303, 80309, 80025, 80027.

Residential delivery areaBoulder CountyMountain Time

Population

16,291

Median household income

$126K

U.S. $81K

Median home value

$1M

U.S. $333K

Median rent

$2,311/mo

U.S. $1,413

Median age

36.7

U.S. 38.9

Land area

5.8 sq mi

2,799 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 80305

80305 is an urban zip code in Boulder, Colorado (Boulder County), covering 5.8 sq mi of land. About 16,291 people live here, or 2,799 per square mile. The median resident is 36.7 years old, compared with 38.9 nationally.

The median household earns $126,107 a year, 56% above the national median of $80,734. 12.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,032,900, or 8.2 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 60% of occupied homes are lived in by their owners, and renters pay a median of $2,311 a month.

79% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 18.8 minutes each way, and 41% of workers work from home; working from home is more common than any single way of commuting. The most common jobs among working residents are in management; education; and engineering and science. 16% of them are self-employed (U.S.: 10%).

How 80305 compares

Sorted from highest to lowest national percentile

Work from home41.1%
99th
U.S. 15.1% · CO 21%14th of 483 in CO
Bachelor's degree or higher79.4%
98th
StrengthU.S. 35.7% · CO 45.7%6th of 484 in CO
Tech workers11.4%
97th
U.S. 3.8% · CO 5.2%22nd of 483 in CO
Median home value$1,032,900
96th
U.S. $332,700 · CO $539,40013th of 461 in CO
Per capita income$74,287
93rd
StrengthU.S. $44,673 · CO $52,63650th of 483 in CO
Self-employed workers15.9%
93rd
U.S. 10% · CO 11.3%169th of 483 in CO
Median gross rent$2,311
92nd
U.S. $1,413 · CO $1,76125th of 400 in CO
Median household income$126,107
88th
StrengthU.S. $80,734 · CO $95,47066th of 460 in CO
Income inequality (Gini)0.497
87th
WeaknessU.S. 0.483 · CO 0.45960th of 480 in CO
Median earnings per worker$68,658
86th
StrengthU.S. $49,666 · CO $56,47377th of 478 in CO
Broadband access95.6%
81st
StrengthU.S. 91% · CO 93.5%128th of 482 in CO
Government workers18.5%
79th
U.S. 14.5% · CO 14.5%165th of 483 in CO
Rent-burdened renters56.3%
71st
U.S. 51.1% · CO 52.9%161st of 447 in CO
Population density2,799/sq mi
65th
U.S. 95/sq mi · CO 57/sq mi79th of 484 in CO
Poverty rate12.2%
57th
U.S. 12.5% · CO 9.4%155th of 482 in CO
Foreign-born residents9.4%
48th
U.S. 14.1% · CO 9.8%117th of 484 in CO
Unemployment rate4.6%
45th
U.S. 5.2% · CO 4.6%179th of 483 in CO
Residents 65 and older15.6%
43rd
U.S. 17.2% · CO 15.6%321st of 484 in CO
Median age36.7
32nd
U.S. 38.9 · CO 37.7356th of 484 in CO
Homeownership rate60.2%
32nd
U.S. 65.2% · CO 66.2%396th of 482 in CO
Housing vacancy4.5%
28th
U.S. 10.1% · CO 8.3%346th of 482 in CO
Veterans4.1%
27th
U.S. 6.2% · CO 7.5%403rd of 484 in CO
Population16,291
25th
U.S. 334,922,499 · CO 5,862,189143rd of 484 in CO
Diversity index30.9
24th
U.S. 61.4 · CO 52.5321st of 484 in CO
Residents under 1817.5%
16th
U.S. 22% · CO 21%299th of 484 in CO
Healthcare workers6.8%
13th
U.S. 9.7% · CO 8.8%306th of 483 in CO
Average commute18.8 min
8th
StrengthU.S. 26.4 min · CO 25.2 min371st of 450 in CO
Uninsured rate2.4%
8th
StrengthU.S. 8.4% · CO 7.7%427th of 481 in CO

Measure	80305	Boulder	CO	U.S.	National percentile	Rank in CO
Work from home	41.1%	31.2%	21%	15.1%	99th	14th of 483
Bachelor's degree or higherStrength	79.4%	64.2%	45.7%	35.7%	98th	6th of 484
Tech workers	11.4%	8.2%	5.2%	3.8%	97th	22nd of 483
Median home value	$1,032,900	$756,300	$539,400	$332,700	96th	13th of 461
Per capita incomeStrength	$74,287	$62,436	$52,636	$44,673	93rd	50th of 483
Self-employed workers	15.9%	13.5%	11.3%	10%	93rd	169th of 483
Median gross rent	$2,311	$1,966	$1,761	$1,413	92nd	25th of 400
Median household incomeStrength	$126,107	$103,994	$95,470	$80,734	88th	66th of 460
Income inequality (Gini)Weakness	0.497	0.492	0.459	0.483	87th	60th of 480
Median earnings per workerStrength	$68,658	$58,130	$56,473	$49,666	86th	77th of 478
Broadband accessStrength	95.6%	95.7%	93.5%	91%	81st	128th of 482
Government workers	18.5%	14.3%	14.5%	14.5%	79th	165th of 483
Rent-burdened renters	56.3%	59.9%	52.9%	51.1%	71st	161st of 447
Population density	2,799/sq mi	453/sq mi	57/sq mi	95/sq mi	65th	79th of 484
Poverty rate	12.2%	11.2%	9.4%	12.5%	57th	155th of 482
Foreign-born residents	9.4%	10.1%	9.8%	14.1%	48th	117th of 484
Unemployment rate	4.6%	4.8%	4.6%	5.2%	45th	179th of 483
Residents 65 and older	15.6%	16.4%	15.6%	17.2%	43rd	321st of 484
Median age	36.7	37.7	37.7	38.9	32nd	356th of 484
Homeownership rate	60.2%	62%	66.2%	65.2%	32nd	396th of 482
Housing vacancy	4.5%	5.3%	8.3%	10.1%	28th	346th of 482
Veterans	4.1%	4.3%	7.5%	6.2%	27th	403rd of 484
Population	16,291	328,961	5,862,189	334,922,499	25th	143rd of 484
Diversity index	30.9	41.8	52.5	61.4	24th	321st of 484
Residents under 18	17.5%	17.5%	21%	22%	16th	299th of 484
Healthcare workers	6.8%	7.2%	8.8%	9.7%	13th	306th of 483
Average commuteStrength	18.8 min	22.3 min	25.2 min	26.4 min	8th	371st of 450
Uninsured rateStrength	2.4%	4.4%	7.7%	8.4%	8th	427th of 481

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

15%

5–17

16%

18–24

14%

25–34

12%

35–44

13%

45–54

11%

55–64

10%

65–74

75+

Median age

36.7

Under 18

17.5%

65 and over

15.6%

Race and ethnicity

White83%
Black1%
Hispanic8%
Asian4%
Native American0.2%
Pacific Islander0%
Other0.1%
Multiracial4%

Diversity index

30.9

U.S. 61.4

Foreign-born

9.4%

U.S. 14.1%

Born in state

29.8%

Language spoken at home (households)

English only

83%

Spanish

Other Indo-European

Asian / Pacific

Other

0.9%

Households

Households: 6,976
Average household size: 2.3
Family households: 50.4%
Married couples: 41.9%
Living alone: 27.7%
Veterans (of adults): 4.1%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

14%

$25–50k

10%

$50–75k

10%

$75–100k

$100–150k

16%

$150–200k

12%

$200k+

31%

Median household income

80305

$126,107

Boulder Co.

$103,994

Colorado

$95,470

United States

$80,734

Per capita income

$74,287

U.S. $44,673

Poverty rate

12.2%

U.S. 12.5%

Households earning $150K+

43.4%

U.S. 23%

Income inequality (Gini)

0.497

U.S. 0.483

Housing

Median home value

80305

$1,032,900

Boulder Co.

$756,300

Colorado

$539,400

United States

$332,700

Median gross rent

80305

$2,311

Boulder Co.

$1,966

Colorado

$1,761

United States

$1,413

Types of housing

Single-family

72%

2–4 units

5–19 units

20+ units

13%

Mobile home

Boat, RV, van

Housing units: 7,303
Owner-occupied: 60.2%
Vacant: 4.5%
Median year built: 1970
Median rooms: 6
Renters paying 30%+ of income: 56.3%
Renters paying 50%+ of income: 40.2%
Home value to income: 8.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

39%

Carpooled

Transit

Walked

Bicycle

Worked from home

41%

Other

Commute time (one way)

<10 min

11%

10–19

52%

20–29

19%

30–44

12%

45–59

60+

Average commute

18.8 min

U.S. 26.4 min

Unemployment

4.6%

U.S. 5.2%

In labor force

69.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

15%

Education

13%

Engineering and science

12%

Computer and math

11%

Business and finance

Sales

Healthcare

Office and admin

Arts, media and sports

Food service

Cleaning and personal care

Legal and social services

Transportation and moving

Construction and repair

Production

Police and fire

0.4%

Farming, fishing and forestry

0.1%

Industries

Professional and technical services

23%

Education

19%

Health care and social assistance

11%

Finance, insurance and real estate

Manufacturing

Retail

Restaurants and hotels

Information

Construction

Arts and recreation

Public administration

Other services

Admin, support and management

Transportation, warehousing and utilities

Wholesale

Agriculture and mining

0.8%

Median earnings per worker

$68,658

U.S. $49,666

Self-employed

15.9%

U.S. 10%

Government workers

18.5%

U.S. 14.5%

Nonprofit workers

10.3%

U.S. 8.8%

Median earnings by type of work

Type of work	80305	U.S.
Management, business, science and arts	$88,289	$74,888
Service	$18,550	$26,804
Sales and office	$36,964	$40,476
Construction and maintenance	$28,472	$49,199
Production and transportation	$40,278	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

11%

Associate's

Bachelor's

37%

Graduate

43%

High school graduate or higher: 99%
Bachelor's degree or higher: 79.4%
Graduate or professional degree: 42.7%
Households with broadband: 95.6%
Cable, fiber or DSL: 89.8%
No internet access: 2.6%
Without health insurance: 2.4%
Limited-English households: 0.6%

Geography

City (USPS): Boulder
State: Colorado
County: Boulder County
Center point: 39.9769° N, 105.2487° W
Land area: 5.8 sq mi
Water area: 0.1 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Boulder68% of zip
Eldorado Springs (unincorporated)2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 80305

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
80310	Boulder, CO	2 mi	7,692	—	—
80303	Boulder, CO	2.1 mi	24,996	$78,555	$961,900
80309	Boulder, CO · PO box	2.9 mi	—	—	—
80025	Eldorado Springs, CO	4.5 mi	138	$134,102	—
80027	Louisville, CO	5.1 mi	34,127	$154,232	$890,200
80304	Boulder, CO	5.1 mi	25,383	$126,558	$1,210,200
80301	Boulder, CO	5.4 mi	25,007	$95,207	$793,200
80302	Boulder, CO	6.3 mi	29,569	$61,698	$1,190,800
80007	Arvada, CO	8.1 mi	19,078	$176,122	$872,000
80308	Boulder, CO · PO box	8.1 mi	—	—	—
80026	Lafayette, CO	8.2 mi	32,701	$120,187	$705,600
80021	Broomfield, CO	9.3 mi	36,555	$110,038	$568,000

Zip codes like 80305 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 80305

What city is zip code 80305?

80305 is assigned to Boulder, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 80305 in?

80305 is in Boulder County, Colorado.

What is the population of 80305?

About 16,291 people live in 80305, according to the Census Bureau's American Community Survey.

What time zone is 80305 in?

80305 is in Mountain Time.

What is the median household income in 80305?

The median household income in 80305 is $126,107.

What zip codes are near 80305?

The closest zip codes to 80305 are 80310, 80303, 80309, 80025, 80027.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 80305, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.