Data Last Updated: May 1, 2025

Woodbury County, IA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Woodbury, IA.	28 ZIP Codes (23 General, 1 PO Box, 0 Unique, & 4 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Woodbury, IA. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	712
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Central
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Woodbury, IA from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	105,941 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	19193
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Sioux City, IA-NE-SD
Land Area: The approximate amount of land area covered by Woodbury, IA in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	873 square miles
Water Area: The approximate amount of water area covered by Woodbury, IA in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	5 square miles
Coordinates: The latitude/longitude centroid coordinates for Woodbury County, IA.	-96.044778, 42.389705
Quick Link: Copy the direct link to the Woodbury, IACounty page and use anywhere you like!	https://www.zip-codes.com/county/ia-woodbury.asp

Woodbury, IA ZIP Code Boundaries

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Woodbury County, IA Covers 28 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 51004	General	Anthon	956	0.90%
ZIP Code 51006 *	General	Battle Creek	1,038	--
ZIP Code 51007	General	Bronson	678	0.64%
ZIP Code 51015	General	Climbing Hill	97	0.09%
ZIP Code 51016	General	Correctionville	1,361	1.28%
ZIP Code 51018	General	Cushing	385	0.36%
ZIP Code 51019	General	Danbury	715	0.67%
ZIP Code 51025 *	General	Holstein	2,009	--
ZIP Code 51026	General	Hornick	741	0.70%
ZIP Code 51028 *	General	Kingsley	2,058	--
ZIP Code 51030	General	Lawton	1,780	1.68%
ZIP Code 51034 *	General	Mapleton	1,698	--
ZIP Code 51039	General	Moville	2,576	2.43%
ZIP Code 51044	General	Oto	209	0.20%
ZIP Code 51048	General	Pierson	571	0.54%
ZIP Code 51052	General	Salix	956	0.90%
ZIP Code 51054	General	Sergeant Bluff	5,737	5.42%
ZIP Code 51055	General	Sloan	1,381	1.30%
ZIP Code 51056	General	Smithland	404	0.38%
ZIP Code 51101	General	Sioux City	1,146	1.08%
ZIP Code 51102	P.O. Box	Sioux City	0	0.00%
ZIP Code 51103	General	Sioux City	16,827	15.88%
ZIP Code 51104	General	Sioux City	23,080	21.79%
ZIP Code 51105	General	Sioux City	10,565	9.97%
ZIP Code 51106	General	Sioux City	28,655	27.05%
ZIP Code 51108	General	Sioux City	5,967	5.63%
ZIP Code 51109	General	Sioux City	3,109	2.93%
ZIP Code 51111	General	Sioux City	97	0.09%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Woodbury, IA, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Woodbury, IA Information

Woodbury County, IA Covers 28 ZIP Codes. This includes 23 General ZIP Codes, 1 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 4 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Woodbury County.

The population for Woodbury County is 105,941, according to the U.S. Census. Population Density is 121.35 persons per square mile. With 42,701 Housing Units, the Average Household Size is 2.58 persons. There are 39,904 Family Households with an Average Family Size of 3.12 persons. 5.75% of the population is without Health Insurance. The 64.66% Employment Rate is 4.86% above the national average of 59.8%.67,514 people aged 25+ have some educational achievement, with 23.40% (or 15,797 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

712 is the only area code for this area. Woodbury is also located in the Central timezone and the current local time is shown above.

Woodbury is part of the Sioux City, IA-NE-SD Core Based Statistical Area (CBSA). Its CBSA Code is 43580.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Woodbury, IA have 41,838 Residential mailboxes and 2,798 Business mailboxes.There are 2,655 businesses with a total of 47,698 employees. That is an average of 18.0 employees per business. Annual payroll for these businesses is $2,225,877,000. Other Demographics

Woodbury County Demographic Profile

Population & People

Total Population

105,941

Income

Median Household Income

$70,147

Housing

Total Housing Units

42,701

Health

Without Healthcare Coverage

5.75%

Business & Economy

Total Businesses

2,655

Families

Total Households

39,904

Employment

Employment Rate

64.66%

Education

Bachelor's Degree or Higher

23.40%

Total Population: Total number of people from the 2020 U.S. Census for Woodbury, IA. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	105,941
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Woodbury, IA. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	107,728
Total Households: Total number of Households from the 2020 U.S. Census for Woodbury, IA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	39,904
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	42,701
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.58
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.12

Other Woodbury Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	41,838
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	2,798
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	52,011
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	31,525
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	5,914

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	2,655
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$530,575,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$2,225,877,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	47,698

Sum of all ZIP Codes assigned Woodbury, IA as their primary County.

References

U.S. Postal Service [Last Updated: 5/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 5/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov