Zip Code 50531 Map and Profile

Official Zip Code NameDolliver
Zip Code StateIowa
Zip Code TypeNon-Unique
Primary County: Emmet
Secondary County: Martin
Area Code712
Current Population:242
Racial Majority:White 98.6%
Unemployment Rate:4.2%
Median Household Income$42705
Average Adjusted Gross Income$54400
School Test Performance:Poor
Average Commute Time35.6 Minutes
Time Zone:Central Daylight Time
Elevation Range1230 - 1270 ft.
Area38 Sqm.
Coordinates(Y,X)43.45949100, -94.61279200

Zip Code 50531 Description

Zip Code 50531 is located in the state of Iowa in the Sioux City metro area. Zip code 50531 is primarily located in Emmet County. Portions of 50531 are also located in Martin County. The official US Postal Service name for 50531 is DOLLIVER, Iowa. Portions of zip code 50531 are contained within or border the city limits of Dolliver, IA, . Zip code 50531 is within area code 712 and area code 507. 50531 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Iowa.

The current unemployment level in 50531 is 4.2% which is higher than the current county unemployment level of 4.2% and is lower than the current state unemployment at 4.6% and lower than the current national unemployment rate at 6.0%.

According the 2010 US Census, the population of 50531 decreased to 242 from 267 over the past 10 years. The majority ethnicity residing in 50531 is White while the majority ethnicity attending 50531 public schools is . % of students in 50531 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 282 98.6% 239 +18%
 Black Or African American 0 0% 0 +0%
 Hispanic 4 1.4% 3 +33%
 American Indian Or Alaskan Native 0 0% 0 +0%
 Asian 0 0% 0 +0%
 Native Hawaiian & Other Pacific Islander 0 0% 0 +0%
 Other Race 0 0% 0 +0%
 Two Or More Races 0 0% 0 +0%

Zip Code 50531 Race/Ethnicity

 White %
 Black Or African American %
 Hispanic %
 Asian %
 Hawaii/Pacific Islander %
 American Indian Or Alaskan Native %
 Two or More Races %

Zip Code 50531 Public School Race/Ethnicity Profile

Total Population242267
Male Population50.40%
Female Population49.60%
Total Households108
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$42705
Income Under $50K Per Year61.10%
Income $50K to $100K Per Year26.90%
Income Above $100K Per Year12.00%
50531 US Congressional District
DistrictRepresentativeParty Affiliation
Iowa District 4Steve KingRepublican
Related Maps: Map of All Iowa Congressional Districts

Average Real Estate Asking Price$154000
Average Real Estate Sale Price$175508
Current Unemployment Level 4.2%
Previous Month Unemployment Level4.7%
Unemployment Level 1 Year Ago3.6%
Dolliver, IA
2012 Hardiness ZoneZone 5a: -20F to -15F
1990 Hardiness ZoneZone 4b: -25F to -20F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 47b - Des Moines Lobe
Average First Frost DatesOctober 1 - 10
Average Last Frost DatesMay 1 - 10

Zip Code 50531 Annual Climate Data

Avg Min Temp (°F)4112335475761594937231035
Avg Max Temp (°F)23294157708083807360412755
Avg Precip (In.).73.631.873.083.694.553.884.082.742.191.71.829.94
Core Based Statistical
Area (CBSA)
CBSA Population0
Time ZoneCentral Daylight Time
IANA Time ZoneAmerica/Chicago
Follows DSTYes
GMT Difference-6 Hours