US ZIP Codes → CO → NIWOT

NIWOT, CO ZIP Code

City	NIWOT
State	Colorado
ZIP Codes count	3 (see all)
Post offices count	2 (see all)
Total population	4,106 (see all)

ZIP Codes for NIWOT, Colorado

80503, 80504, 80544

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 NIWOT, CO by streets

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

List of NIWOT, CO ZIP Codes

ZIP	TYPE	POPULATION
80503	STANDARD	36,894
80504	STANDARD	58,675
80544	PO BOX	33

Post offices

LONGMONT — Post Office^™ 201 COFFMAN ST LONGMONT, CO 80501-9998
NIWOT — Post Office^™ 150 MURRAY ST NIWOT, CO 80544-9997

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

6969 CONIFER CT
NIWOT CO 80503-8665

8030 COUNTRYSIDE PARK
NIWOT CO 80503-8693

7766 CRESTVIEW DR
NIWOT CO 80504-7303

7117 STABLE DR
NIWOT CO 80503-7611

7928 W SUSSEX CT
NIWOT CO 80503-7616

6973 WALKER DR
NIWOT CO 80503-8648

Map

Census data for NIWOT, CO

Demographic and housing estimates in NIWOT, CO

Total population
Total population	4,106
Male	2,127
Female	1,979

Population by age
Total population	4,106
Under 5 years	109
5 to 9 years	216
10 to 14 years	451
15 to 19 years	367
20 to 24 years	66
25 to 34 years	336
35 to 44 years	304
45 to 54 years	835
55 to 59 years	384
60 to 64 years	411
65 to 74 years	444
75 to 84 years	183
85 years and over	0
Median age (years)	46.4
Under 18 years	1,033
16 years and over	3,242
18 years and over	3,073
21 years and over	2,963
62 years and over	929
65 years and over	627

Population by race
Total population	4,106
One race	4,058
White	3,978
Black or African American	27
American Indian and Alaska Native	0
Asian	53
Native Hawaiian and Other Pacific Islander	0
Some other race	0
Two or more races	48

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	2,925
Male Citizen, VOTING AGE 18 and over population	1,550
Female Citizen, VOTING AGE 18 and over population	1,375

Social characteristics in NIWOT, CO

Households by type
Total households	1,605
Family households (families)	1,163
Married-couple family	975
Male householder, no wife present, family	98
Female householder, no husband present, family	90
Nonfamily households	442
Average household size	2.56
Average family size	3.05

Economic characteristics in NIWOT, CO

Income and benefits (in 2018 inflation-adjusted dollars)
Total households	1,605
Less than $10,000	46
$10,000 to $14,999	0
$15,000 to $24,999	94
$25,000 to $34,999	111
$35,000 to $49,999	69
$50,000 to $74,999	262
$75,000 to $99,999	163
$100,000 to $149,999	237
$150,000 to $199,999	201
$200,000 or more	422
Median household income (dollars)	112,311

Housing characteristics in NIWOT, CO

Housing occupancy
Total housing units	1,674
Occupied housing units	1,605
Vacant housing units	69

Units in structure
Total housing units	1,674
1-unit, detached	1,277
1-unit, attached	87
2 units	0
3 or 4 units	0
5 to 9 units	250
10 to 19 units	60
20 or more units	0
Mobile home	0
Boat, RV, van, etc.	0

Year structure built
Total housing units	1,674
Built 2014 or later	0
Built 2010 to 2013	12
Built 2000 to 2009	117
Built 1990 to 1999	449
Built 1980 to 1989	448
Built 1970 to 1979	470
Built 1960 to 1969	100
Built 1950 to 1959	15
Built 1940 to 1949	0
Built 1939 or earlier	63

Rooms
Total housing units	1,674
1 room	17
2 rooms	15
3 rooms	186
4 rooms	112
5 rooms	146
6 rooms	125
7 rooms	158
8 rooms	252
9 rooms or more	663
Median rooms	7.8

Bedrooms
Total housing units	1,674
No bedroom	17
1 bedroom	179
2 bedrooms	319
3 bedrooms	408
4 bedrooms	467
5 or more bedrooms	284

Housing tenure
Occupied housing units	1,605
Owner-occupied	1,328
Renter-occupied	277
Average household size of owner-occupied unit	2.80
Average household size of renter-occupied unit	1.40

Year householder moved into unit
Occupied housing units	1,605
Moved in 2017 or later	130
Moved in 2015 to 2016	46
Moved in 2010 to 2014	446
Moved in 2000 to 2009	542
Moved in 1990 to 1999	240
Moved in 1989 and earlier	201

Value
Owner-occupied units	1,328
Less than $50,000	0
$50,000 to $99,999	0
$100,000 to $149,999	0
$150,000 to $199,999	28
$200,000 to $299,999	66
$300,000 to $499,999	321
$500,000 to $999,999	662
$1,000,000 or more	251
Median (dollars)	650,400

Mortgage status
Owner-occupied units	1,328
Housing units with a mortgage	975
Housing units without a mortgage	353

Gross rent
Occupied units paying rent	277
Less than $500	0
$500 to $999	95
$1,000 to $1,499	144
$1,500 to $1,999	25
$2,000 to $2,499	0
$2,500 to $2,999	13
$3,000 or more	0
Median (dollars)	1,102
No rent paid	0

Data is based on 2018 Census

ZIP Codes for other locations

State for NIWOT

Colorado ZIP Codes

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