US ZIP Codes → IA → WATERLOO

WATERLOO, IA ZIP Code

City	WATERLOO
State	Iowa
ZIP Codes count	5 (see all)
Post offices count	1 (see all)
Total population	68,134 (see all)

ZIP Codes for WATERLOO, Iowa

50701, 50702, 50703, 50704, 50707

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 WATERLOO, IA by streets

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

List of WATERLOO, IA ZIP Codes

ZIP	TYPE	POPULATION
50701	STANDARD	30,194
50702	STANDARD	20,270
50703	STANDARD	19,270
50704	PO BOX	–
50707	STANDARD	7,597

Post offices

WATERLOO — Post Office^™ 300 SYCAMORE ST WATERLOO, IA 50701-9998

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

323 DEARBORN AVE
WATERLOO IA 50703-5229

180 EDWARDS ST
WATERLOO IA 50703-3736

510 FOWLER ST
WATERLOO IA 50703-4042

206 MOHAWK ST
WATERLOO IA 50703-4125

3236 THISTLEDOWN DR
WATERLOO IA 50702-4841

288 WINDSOR DR
WATERLOO IA 50701-4161

Map

Census data for WATERLOO, IA

Demographic and housing estimates in WATERLOO, IA

Total population
Total population	68,134
Male	33,887
Female	34,247

Population by age
Total population	68,134
Under 5 years	4,669
5 to 9 years	4,441
10 to 14 years	4,233
15 to 19 years	4,012
20 to 24 years	5,440
25 to 34 years	9,509
35 to 44 years	8,223
45 to 54 years	8,143
55 to 59 years	4,480
60 to 64 years	4,329
65 to 74 years	5,833
75 to 84 years	3,213
85 years and over	1,609
Median age (years)	37.0
Under 18 years	15,775
16 years and over	54,085
18 years and over	52,359
21 years and over	49,887
62 years and over	13,257
65 years and over	10,655

Population by race
Total population	68,134
One race	65,923
White	50,920
Black or African American	10,961
American Indian and Alaska Native	420
Asian	1,596
Native Hawaiian and Other Pacific Islander	327
Some other race	1,699
Two or more races	2,211

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	49,512
Male Citizen, VOTING AGE 18 and over population	24,262
Female Citizen, VOTING AGE 18 and over population	25,250

Social characteristics in WATERLOO, IA

Households by type
Total households	28,550
Family households (families)	16,971
Married-couple family	11,472
Male householder, no wife present, family	1,507
Female householder, no husband present, family	3,992
Nonfamily households	11,579
Average household size	2.35
Average family size	3.01

Economic characteristics in WATERLOO, IA

Income and benefits (in 2018 inflation-adjusted dollars)
Total households	28,550
Less than $10,000	2,308
$10,000 to $14,999	1,729
$15,000 to $24,999	3,279
$25,000 to $34,999	3,908
$35,000 to $49,999	4,102
$50,000 to $74,999	5,475
$75,000 to $99,999	3,307
$100,000 to $149,999	2,830
$150,000 to $199,999	789
$200,000 or more	823
Median household income (dollars)	46,297

Housing characteristics in WATERLOO, IA

Housing occupancy
Total housing units	31,525
Occupied housing units	28,550
Vacant housing units	2,975

Units in structure
Total housing units	31,525
1-unit, detached	21,544
1-unit, attached	1,110
2 units	1,139
3 or 4 units	1,068
5 to 9 units	1,866
10 to 19 units	1,688
20 or more units	1,915
Mobile home	1,186
Boat, RV, van, etc.	9

Year structure built
Total housing units	31,525
Built 2014 or later	296
Built 2010 to 2013	732
Built 2000 to 2009	1,598
Built 1990 to 1999	2,051
Built 1980 to 1989	2,026
Built 1970 to 1979	4,557
Built 1960 to 1969	4,803
Built 1950 to 1959	5,448
Built 1940 to 1949	2,589
Built 1939 or earlier	7,425

Rooms
Total housing units	31,525
1 room	436
2 rooms	876
3 rooms	2,813
4 rooms	6,353
5 rooms	6,502
6 rooms	6,020
7 rooms	3,397
8 rooms	2,447
9 rooms or more	2,681
Median rooms	5.3

Bedrooms
Total housing units	31,525
No bedroom	550
1 bedroom	4,129
2 bedrooms	10,612
3 bedrooms	12,189
4 bedrooms	3,082
5 or more bedrooms	963

Housing tenure
Occupied housing units	28,550
Owner-occupied	17,618
Renter-occupied	10,932
Average household size of owner-occupied unit	2.38
Average household size of renter-occupied unit	2.30

Year householder moved into unit
Occupied housing units	28,550
Moved in 2017 or later	1,909
Moved in 2015 to 2016	3,736
Moved in 2010 to 2014	8,300
Moved in 2000 to 2009	6,608
Moved in 1990 to 1999	3,338
Moved in 1989 and earlier	4,659

Value
Owner-occupied units	17,618
Less than $50,000	1,970
$50,000 to $99,999	5,302
$100,000 to $149,999	4,920
$150,000 to $199,999	2,848
$200,000 to $299,999	1,794
$300,000 to $499,999	609
$500,000 to $999,999	133
$1,000,000 or more	42
Median (dollars)	114,000

Mortgage status
Owner-occupied units	17,618
Housing units with a mortgage	10,947
Housing units without a mortgage	6,671

Gross rent
Occupied units paying rent	10,583
Less than $500	1,293
$500 to $999	7,396
$1,000 to $1,499	1,345
$1,500 to $1,999	353
$2,000 to $2,499	165
$2,500 to $2,999	11
$3,000 or more	20
Median (dollars)	740
No rent paid	349

Data is based on 2018 Census

ZIP Codes for other locations

State for WATERLOO

Iowa ZIP Codes

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