WATERLOO, IA ZIP Code

CityWATERLOO
StateIowa
ZIP Codes count5 (see all)
Post offices count1 (see all)
Total population68,134 (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

ZIPTYPEPOPULATION
50701STANDARD30,194
50702STANDARD20,270
50703STANDARD19,270
50704PO BOX
50707STANDARD7,597

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:

  1. Recipient's full name
  2. Full street address
  3. 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.
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 population68,134
Male33,887
Female34,247
Population by age
Total population68,134
Under 5 years4,669
5 to 9 years4,441
10 to 14 years4,233
15 to 19 years4,012
20 to 24 years5,440
25 to 34 years9,509
35 to 44 years8,223
45 to 54 years8,143
55 to 59 years4,480
60 to 64 years4,329
65 to 74 years5,833
75 to 84 years3,213
85 years and over1,609
Median age (years)37.0
Under 18 years15,775
16 years and over54,085
18 years and over52,359
21 years and over49,887
62 years and over13,257
65 years and over10,655
Population by race
Total population68,134
One race65,923
   White50,920
   Black or African American10,961
   American Indian and Alaska Native420
   Asian1,596
   Native Hawaiian and Other Pacific Islander327
   Some other race1,699
Two or more races2,211
Citizen, voting age population
Citizen, VOTING AGE 18 and over population49,512
Male Citizen, VOTING AGE 18 and over population24,262
Female Citizen, VOTING AGE 18 and over population25,250

Social characteristics in WATERLOO, IA

Households by type
Total households28,550
Family households (families)16,971
Married-couple family11,472
Male householder, no wife present, family1,507
Female householder, no husband present, family3,992
Nonfamily households11,579
Average household size2.35
Average family size3.01

Economic characteristics in WATERLOO, IA

Income and benefits (in 2018 inflation-adjusted dollars)
Total households28,550
Less than $10,0002,308
$10,000 to $14,9991,729
$15,000 to $24,9993,279
$25,000 to $34,9993,908
$35,000 to $49,9994,102
$50,000 to $74,9995,475
$75,000 to $99,9993,307
$100,000 to $149,9992,830
$150,000 to $199,999789
$200,000 or more823
Median household income (dollars)46,297

Housing characteristics in WATERLOO, IA

Housing occupancy
Total housing units31,525
Occupied housing units28,550
Vacant housing units2,975
Units in structure
Total housing units31,525
1-unit, detached21,544
1-unit, attached1,110
2 units1,139
3 or 4 units1,068
5 to 9 units1,866
10 to 19 units1,688
20 or more units1,915
Mobile home1,186
Boat, RV, van, etc.9
Year structure built
Total housing units31,525
Built 2014 or later296
Built 2010 to 2013732
Built 2000 to 20091,598
Built 1990 to 19992,051
Built 1980 to 19892,026
Built 1970 to 19794,557
Built 1960 to 19694,803
Built 1950 to 19595,448
Built 1940 to 19492,589
Built 1939 or earlier7,425
Rooms
Total housing units31,525
1 room436
2 rooms876
3 rooms2,813
4 rooms6,353
5 rooms6,502
6 rooms6,020
7 rooms3,397
8 rooms2,447
9 rooms or more2,681
Median rooms5.3
Bedrooms
Total housing units31,525
No bedroom550
1 bedroom4,129
2 bedrooms10,612
3 bedrooms12,189
4 bedrooms3,082
5 or more bedrooms963
Housing tenure
Occupied housing units28,550
Owner-occupied17,618
Renter-occupied10,932
Average household size of owner-occupied unit2.38
Average household size of renter-occupied unit2.30
Year householder moved into unit
Occupied housing units28,550
Moved in 2017 or later1,909
Moved in 2015 to 20163,736
Moved in 2010 to 20148,300
Moved in 2000 to 20096,608
Moved in 1990 to 19993,338
Moved in 1989 and earlier4,659
Value
Owner-occupied units17,618
Less than $50,0001,970
$50,000 to $99,9995,302
$100,000 to $149,9994,920
$150,000 to $199,9992,848
$200,000 to $299,9991,794
$300,000 to $499,999609
$500,000 to $999,999133
$1,000,000 or more42
Median (dollars)114,000
Mortgage status
Owner-occupied units17,618
Housing units with a mortgage10,947
Housing units without a mortgage6,671
Gross rent
Occupied units paying rent10,583
Less than $5001,293
$500 to $9997,396
$1,000 to $1,4991,345
$1,500 to $1,999353
$2,000 to $2,499165
$2,500 to $2,99911
$3,000 or more20
Median (dollars)740
No rent paid349
Data is based on 2018 Census

ZIP Codes for other locations

State for WATERLOO
Iowa ZIP Codes
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