Official Zip Code NameGrundy Center
Zip Code StateIowa
Zip Code TypeNon-Unique
Area Code319
Current Population:3313
Racial Majority:White 99.27%
Public School Racial Majority:White 94.8%
Unemployment Rate:3.65%
Median Household Income$47856
Average Adjusted Gross Income$64222
School Test Performance:Average
Average Commute Time17.1 Minutes
Curent Temperature:
Current Time:
CST
Time Zone:Central Standard Time
Primary County: Grundy
Elevation Range988 - 1148 ft.
Area111 Sqm.
Coordinates(Y,X)42.38343811, -92.81652832

Zip Code 50638 Description

Zip Code 50638 is located in the state of Iowa in the Cedar Rapids - Iowa City - Dubuque metro area. Zip code 50638 is primarily located in Grundy County. Portions of 50638 are also located in Tama County. The official US Postal Service name for 50638 is GRUNDY CENTER, Iowa. Portions of zip code 50638 are contained within or border the city limits of Grundy Center, IA, Morrison, IA, . Zip code 50638 is within area code 319 and area code 641. 50638 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Iowa.

The current unemployment level in 50638 is 3.65% which is higher than the current county unemployment level of 3.3% and is higher than the current state unemployment at 3.4% and lower than the current national unemployment rate at 4.9%.

According the 2010 US Census, the population of 50638 increased to 3313 from 3253 over the past 10 years. The majority ethnicity residing in 50638 is White while the majority ethnicity attending 50638 public schools is White. 28.5% of students in 50638 public schools receive or are eligible to participate in free or reduced lunch programs.

20142010Change(+/-)
 White 3258 99.27% 3257 +0%
 Black Or African American 0 0% 5 -100%
 Hispanic 0 0% 14 -100%
 American Indian Or Alaskan Native 11 0.34% 0 +0%
 Asian 0 0% 5 -100%
 Native Hawaiian & Other Pacific Islander 0 0% 3 -100%
 Other Race 0 0% 0 +0%
 Two Or More Races 29 0.4% 29 -55%

Zip Code 50638 Race/Ethnicity

 White 94.8%
 Black Or African American 0.9%
 Hispanic 0.9%
 Asian 0%
 Hawaii/Pacific Islander 0.9%
 American Indian Or Alaskan Native 0.3%
 Two or More Races 2.1%

Zip Code 50638 Public School Race/Ethnicity Profile

20102000
Total Population33133253
Male Population47.40%
Female Population52.60%
Total Households1410
Test Score PerformanceAverage
Percentage of Students Eligible For
Free or Reduced Lunch
28.5%
Percentage of Public Schools with
Title 1 Status
33.3%
Median Household Income$47856
Income Under $50K Per Year52.50%
Income $50K to $100K Per Year36.80%
Income Above $100K Per Year10.70%
114 US Congressional DistrictIowa 4
RepresentativeSteve King
PartyRepublican
Average Real Estate Asking Price$115467
Average Real Estate Sale Price$114339
Current Unemployment Level (September 2016)3.65%
Previous Month Unemployment Level4.13%
Unemployment Level 1 Year Ago3.32%
2012 Hardiness ZoneZone 5a: -20F to -15F
1990 Hardiness ZoneZone 4b: -25F to -20F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 47c - Iowan Surface
Average First Frost DatesOctober 1 - 10
Average Last Frost DatesMay 1 - 10

Zip Code 50638 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)6122435475862594938251235
Avg Max Temp (°F)25314458718084817462442957
Avg Precip (In.).91.992.223.274.445.14.233.973.022.552.21.2234.11
Core Based Statistical
Area (CBSA)
Waterloo-Cedar Falls, IA
CBSA Type50638
CBSA Population166332
Time ZoneCentral Standard Time
IANA Time ZoneAmerica/Chicago
Follows DSTYes
GMT Difference-6 Hours