Data Last Updated: April 1, 2025

Clinton County, IA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Clinton, IA.	25 ZIP Codes (12 General, 4 PO Box, 2 Unique, & 7 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Clinton, 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.	563
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 Clinton, 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.	46,460 [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.	19045
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.	Clinton, IA
Land Area: The approximate amount of land area covered by Clinton, 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.	695 square miles
Water Area: The approximate amount of water area covered by Clinton, 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.	15 square miles
Coordinates: The latitude/longitude centroid coordinates for Clinton County, IA.	-90.531958, 41.898034
Quick Link: Copy the direct link to the Clinton, IACounty page and use anywhere you like!	https://www.zip-codes.com/county/ia-clinton.asp

Clinton, IA ZIP Code Boundaries

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Clinton County, IA Covers 25 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 52037	General	Delmar	1,216	2.62%
ZIP Code 52060 *	General	Maquoketa	8,494	--
ZIP Code 52064 *	General	Miles	752	--
ZIP Code 52069 *	General	Preston	1,512	--
ZIP Code 52070 *	General	Sabula	1,006	--
ZIP Code 52207 *	General	Baldwin	343	--
ZIP Code 52254	General	Lost Nation	878	1.89%
ZIP Code 52323 *	General	Oxford Junction	738	--
ZIP Code 52701	P.O. Box	Andover	113	0.24%
ZIP Code 52727	General	Bryant	372	0.80%
ZIP Code 52729	General	Calamus	775	1.67%
ZIP Code 52730	General	Camanche	5,009	10.78%
ZIP Code 52731	General	Charlotte	835	1.80%
ZIP Code 52732	General	Clinton	25,808	55.55%
ZIP Code 52733	P.O. Box	Clinton	0	0.00%
ZIP Code 52734	Unique	Clinton	0	0.00%
ZIP Code 52736	Unique	Clinton	0	0.00%
ZIP Code 52742	General	De Witt	7,651	16.47%
ZIP Code 52750	General	Goose Lake	593	1.28%
ZIP Code 52751	General	Grand Mound	1,066	2.29%
ZIP Code 52756 *	General	Long Grove	2,178	--
ZIP Code 52757	P.O. Box	Low Moor	247	0.53%
ZIP Code 52771	General	Teeds Grove	46	0.10%
ZIP Code 52774	P.O. Box	Welton	118	0.25%
ZIP Code 52777	General	Wheatland	1,322	2.85%

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

Important Clinton, IA Information

Clinton County, IA Covers 25 ZIP Codes. This includes 12 General ZIP Codes, 4 PO Box ZIP Codes, and 2 Unique (reserved for Business and Volume Mail Receivers). There are also 7 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Clinton County.

The population for Clinton County is 46,460, according to the U.S. Census. Population Density is 66.85 persons per square mile. With 21,517 Housing Units, the Average Household Size is 2.35 persons. There are 19,483 Family Households with an Average Family Size of 2.97 persons. 4.34% of the population is without Health Insurance. The 58.78% Employment Rate is 1.02% above the national average of 59.8%.32,227 people aged 25+ have some educational achievement, with 22.10% (or 7,122 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

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

Clinton is part of the Clinton, IA Core Based Statistical Area (CBSA). Its CBSA Code is 17540.It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more 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 Clinton, IA have 19,557 Residential mailboxes and 1,039 Business mailboxes.There are 1,119 businesses with a total of 16,497 employees. That is an average of 14.7 employees per business. Annual payroll for these businesses is $764,438,000. Other Demographics

Clinton County Demographic Profile

Population & People

Total Population

46,460

Income

Median Household Income

$65,177

Housing

Total Housing Units

21,517

Health

Without Healthcare Coverage

4.34%

Business & Economy

Total Businesses

1,119

Families

Total Households

19,483

Employment

Employment Rate

58.78%

Education

Bachelor's Degree or Higher

22.10%

Total Population: Total number of people from the 2020 U.S. Census for Clinton, 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.	46,460
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Clinton, 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.	45,878
Total Households: Total number of Households from the 2020 U.S. Census for Clinton, IA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	19,483
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.	21,517
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.	2.35
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.	2.97

Other Clinton Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	19,557
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	1,039
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.	25,398
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	16,497
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	1,057

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	1,119
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$195,111,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$764,438,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	16,497

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

References

U.S. Postal Service [Last Updated: 4/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 4/1/2025], 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