US ZIP Codes → CO → BOULDER

BOULDER, CO ZIP Code

City	BOULDER
State	Colorado
ZIP Codes count	11 (see all)
Post offices count	3 (see all)
Total population	107,360 (see all)

ZIP Codes for BOULDER, Colorado

80301, 80302, 80303, 80304, 80305, 80306, 80307, 80308, 80309, 80310, 80314

This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for BOULDER, CO by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of BOULDER, CO ZIP Codes

ZIP	TYPE	POPULATION
80301	STANDARD	25,058
80302	STANDARD	29,593
80303	STANDARD	24,810
80304	STANDARD	25,332
80305	STANDARD	16,153
80306	PO BOX	–
80307	PO BOX	–
80308	PO BOX	–
80309	UNIQUE	–
80310	UNIQUE	7,664
80314	UNIQUE	–

Post offices

BOULDER — Post Office^™ 1905 15TH ST BOULDER, CO 80302-9998
HIGH MAR — Post Office^™ 4985 MOORHEAD AVE BOULDER, CO 80305-9998
VALMONT — Post Office^™ 2995 55TH ST BOULDER, CO 80301-9998

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

Recipient's full name
Full street address
City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.

Address example

4444 ASHFIELD DR
BOULDER CO 80301-4010

651 BOW MOUNTAIN RD
BOULDER CO 80304-0453

1520 CRESS CT
BOULDER CO 80304-1503

4557 MAPLE CT
BOULDER CO 80301-5829

48 S PEAK TRL
BOULDER CO 80302-9269

446 SUNRISE LN
BOULDER CO 80302-9430

Map

Census data for BOULDER, CO

Demographic and housing estimates in BOULDER, CO

Total population
Total population	107,360
Male	55,984
Female	51,376

Population by age
Total population	107,360
Under 5 years	3,606
5 to 9 years	3,770
10 to 14 years	3,972
15 to 19 years	12,372
20 to 24 years	21,913
25 to 34 years	18,092
35 to 44 years	11,714
45 to 54 years	10,828
55 to 59 years	4,516
60 to 64 years	5,161
65 to 74 years	6,608
75 to 84 years	3,013
85 years and over	1,795
Median age (years)	28.7
Under 18 years	13,651
16 years and over	95,353
18 years and over	93,709
21 years and over	77,898
62 years and over	14,592
65 years and over	11,416

Population by race
Total population	107,360
One race	103,190
White	93,605
Black or African American	1,250
American Indian and Alaska Native	289
Asian	5,970
Native Hawaiian and Other Pacific Islander	95
Some other race	1,981
Two or more races	4,170

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	86,537
Male Citizen, VOTING AGE 18 and over population	44,734
Female Citizen, VOTING AGE 18 and over population	41,803

Social characteristics in BOULDER, CO

Households by type
Total households	42,643
Family households (families)	18,161
Married-couple family	14,716
Male householder, no wife present, family	1,368
Female householder, no husband present, family	2,077
Nonfamily households	24,482
Average household size	2.26
Average family size	2.85

Economic characteristics in BOULDER, CO

Income and benefits (in 2018 inflation-adjusted dollars)
Total households	42,643
Less than $10,000	4,207
$10,000 to $14,999	1,957
$15,000 to $24,999	3,222
$25,000 to $34,999	3,498
$35,000 to $49,999	4,164
$50,000 to $74,999	6,177
$75,000 to $99,999	4,377
$100,000 to $149,999	6,148
$150,000 to $199,999	3,476
$200,000 or more	5,417
Median household income (dollars)	66,117

Housing characteristics in BOULDER, CO

Housing occupancy
Total housing units	45,538
Occupied housing units	42,643
Vacant housing units	2,895

Units in structure
Total housing units	45,538
1-unit, detached	17,874
1-unit, attached	3,500
2 units	1,254
3 or 4 units	2,747
5 to 9 units	4,114
10 to 19 units	4,515
20 or more units	10,069
Mobile home	1,443
Boat, RV, van, etc.	22

Year structure built
Total housing units	45,538
Built 2014 or later	1,241
Built 2010 to 2013	1,023
Built 2000 to 2009	3,777
Built 1990 to 1999	4,588
Built 1980 to 1989	7,767
Built 1970 to 1979	10,435
Built 1960 to 1969	8,521
Built 1950 to 1959	3,921
Built 1940 to 1949	921
Built 1939 or earlier	3,344

Rooms
Total housing units	45,538
1 room	1,943
2 rooms	3,551
3 rooms	6,661
4 rooms	8,914
5 rooms	5,984
6 rooms	5,285
7 rooms	3,509
8 rooms	3,446
9 rooms or more	6,245
Median rooms	4.8

Bedrooms
Total housing units	45,538
No bedroom	2,079
1 bedroom	7,907
2 bedrooms	14,112
3 bedrooms	11,087
4 bedrooms	7,627
5 or more bedrooms	2,726

Housing tenure
Occupied housing units	42,643
Owner-occupied	20,478
Renter-occupied	22,165
Average household size of owner-occupied unit	2.32
Average household size of renter-occupied unit	2.22

Year householder moved into unit
Occupied housing units	42,643
Moved in 2017 or later	3,820
Moved in 2015 to 2016	8,174
Moved in 2010 to 2014	14,931
Moved in 2000 to 2009	7,992
Moved in 1990 to 1999	4,131
Moved in 1989 and earlier	3,595

Value
Owner-occupied units	20,478
Less than $50,000	1,034
$50,000 to $99,999	293
$100,000 to $149,999	513
$150,000 to $199,999	754
$200,000 to $299,999	968
$300,000 to $499,999	3,287
$500,000 to $999,999	9,645
$1,000,000 or more	3,984
Median (dollars)	645,600

Mortgage status
Owner-occupied units	20,478
Housing units with a mortgage	13,114
Housing units without a mortgage	7,364

Gross rent
Occupied units paying rent	21,769
Less than $500	622
$500 to $999	2,787
$1,000 to $1,499	8,019
$1,500 to $1,999	5,539
$2,000 to $2,499	2,533
$2,500 to $2,999	1,097
$3,000 or more	1,172
Median (dollars)	1,466
No rent paid	396

Data is based on 2018 Census

ZIP Codes for other locations

State for BOULDER

Colorado ZIP Codes

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