Data Last Updated: July 1, 2025

Clark County, WI ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Clark, WI.	21 ZIP Codes (14 General, 0 PO Box, 0 Unique, & 7 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Clark, WI. 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.	534, 715
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 Clark, WI 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.	34,659 [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.	55019
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.	None
Land Area: The approximate amount of land area covered by Clark, WI 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.	1,210 square miles
Water Area: The approximate amount of water area covered by Clark, WI 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.	9 square miles
Coordinates: The latitude/longitude centroid coordinates for Clark County, WI.	-90.612072, 44.734731
Quick Link: Copy the direct link to the Clark, WICounty page and use anywhere you like!	https://www.zip-codes.com/county/wi-clark.asp

Clark, WI ZIP Code Boundaries

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Clark County, WI Covers 21 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 54405	General	Abbotsford	2,947	8.50%
ZIP Code 54420	General	Chili	1,299	3.75%
ZIP Code 54421	General	Colby	3,651	10.53%
ZIP Code 54422	General	Curtiss	1,344	3.88%
ZIP Code 54425	General	Dorchester	1,941	5.60%
ZIP Code 54436	General	Granton	2,202	6.35%
ZIP Code 54437	General	Greenwood	3,265	9.42%
ZIP Code 54446	General	Loyal	2,990	8.63%
ZIP Code 54447 *	General	Lublin	569	--
ZIP Code 54449 *	General	Marshfield	26,417	--
ZIP Code 54456	General	Neillsville	5,904	17.03%
ZIP Code 54460	General	Owen	2,532	7.31%
ZIP Code 54466 *	General	Pittsville	2,710	--
ZIP Code 54479 *	General	Spencer	3,838	--
ZIP Code 54488 *	General	Unity	1,192	--
ZIP Code 54493	General	Willard	660	1.90%
ZIP Code 54498	General	Withee	2,440	7.04%
ZIP Code 54746	General	Humbird	670	1.93%
ZIP Code 54754 *	General	Merrillan	1,750	--
ZIP Code 54768 *	General	Stanley	6,290	--
ZIP Code 54771	General	Thorp	4,421	12.76%

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

Important Clark, WI Information

Clark County, WI Covers 21 ZIP Codes. This includes 14 General ZIP Codes, 0 PO Box ZIP Codes, and 0 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 Clark County.

The population for Clark County is 34,659, according to the U.S. Census. Population Density is 28.64 persons per square mile. With 14,755 Housing Units, the Average Household Size is 2.68 persons. There are 12,768 Family Households with an Average Family Size of 3.01 persons. 18.74% of the population is without Health Insurance. The 62.56% Employment Rate is 2.76% above the national average of 59.8%.21,547 people aged 25+ have some educational achievement, with 13.42% (or 2,891 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including534 and 715. Clark is also located in the Central timezone and the current local time is shown above.

ZIP Codes in Clark, WI have 13,689 Residential mailboxes and 474 Business mailboxes.There are 808 businesses with a total of 10,953 employees. That is an average of 13.6 employees per business. Annual payroll for these businesses is $520,482,000. Other Demographics

Clark County Demographic Profile

Population & People

Total Population

34,659

Income

Median Household Income

$66,250

Housing

Total Housing Units

14,755

Health

Without Healthcare Coverage

18.74%

Business & Economy

Total Businesses

808

Families

Total Households

12,768

Employment

Employment Rate

62.56%

Education

Bachelor's Degree or Higher

13.42%

Total Population: Total number of people from the 2020 U.S. Census for Clark, WI. 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.	34,659
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Clark, WI. 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.	36,402
Total Households: Total number of Households from the 2020 U.S. Census for Clark, WI. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	12,768
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.	14,755
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.	2.68
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.	3.01

Other Clark Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	13,689
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	474
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.	16,973
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	12,501
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	675

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	808
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$119,588,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$520,482,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	10,953

Sum of all ZIP Codes assigned Clark, WI as their primary County.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], 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