Data Last Updated: January 1, 2025

South Central Ct Planning Region, CT ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with South Central Ct, CT.	55 ZIP Codes (20 General, 18 PO Box, 6 Unique, & 11 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with South Central Ct, CT. 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.	203, 475
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.	Eastern
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 South Central Ct, CT 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.	450,952 [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.	09170
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.	New Haven, CT
Land Area: The approximate amount of land area covered by South Central Ct, CT 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.	367 square miles
Water Area: The approximate amount of water area covered by South Central Ct, CT 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.	252 square miles
Coordinates: The latitude/longitude centroid coordinates for South Central Ct Planning Region, CT.	-72.843324, 41.338566
Quick Link: Copy the direct link to the South Central Ct, CTPlanning Region page and use anywhere you like!	https://www.zip-codes.com/county/ct-south-central-ct.asp

South Central Ct, CT ZIP Code Boundaries

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state, but are not true counties.

South Central Ct Planning Region, CT Covers 55 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 06037 *	General	Berlin	18,855	--
ZIP Code 06269 *	Unique	Storrs Mansfield	8,161	--
ZIP Code 06401 *	General	Ansonia	18,946	--
ZIP Code 06405	General	Branford	28,171	6.25%
ZIP Code 06410 *	General	Cheshire	28,559	--
ZIP Code 06418 *	General	Derby	12,297	--
ZIP Code 06422 *	General	Durham	7,152	--
ZIP Code 06437	General	Guilford	22,064	4.89%
ZIP Code 06443	General	Madison	17,713	3.93%
ZIP Code 06450 *	General	Meriden	36,007	--
ZIP Code 06451 *	General	Meriden	24,894	--
ZIP Code 06457 *	General	Middletown	46,505	--
ZIP Code 06460	General	Milford	37,310	8.27%
ZIP Code 06461	General	Milford	14,734	3.27%
ZIP Code 06471	General	North Branford	7,195	1.60%
ZIP Code 06472	General	Northford	6,438	1.43%
ZIP Code 06473	General	North Haven	24,574	5.45%
ZIP Code 06477 *	General	Orange	14,280	--
ZIP Code 06492 *	General	Wallingford	44,606	--
ZIP Code 06493	Unique	Wallingford	0	0.00%
ZIP Code 06494	Unique	Wallingford	0	0.00%
ZIP Code 06495	Unique	Wallingford	0	0.00%
ZIP Code 06501	P.O. Box	New Haven	0	0.00%
ZIP Code 06502	P.O. Box	New Haven	0	0.00%
ZIP Code 06503	P.O. Box	New Haven	0	0.00%
ZIP Code 06504	P.O. Box	New Haven	0	0.00%
ZIP Code 06505	P.O. Box	New Haven	0	0.00%
ZIP Code 06506	P.O. Box	New Haven	0	0.00%
ZIP Code 06507	P.O. Box	New Haven	0	0.00%
ZIP Code 06508	P.O. Box	New Haven	0	0.00%
ZIP Code 06509	P.O. Box	New Haven	0	0.00%
ZIP Code 06510	General	New Haven	4,409	0.98%
ZIP Code 06511	General	New Haven	55,879	12.39%
ZIP Code 06512	General	East Haven	29,457	6.53%
ZIP Code 06513	General	New Haven	38,618	8.56%
ZIP Code 06514	General	Hamden	26,613	5.90%
ZIP Code 06515	General	New Haven	17,877	3.96%
ZIP Code 06516	General	West Haven	55,584	12.33%
ZIP Code 06517	General	Hamden	14,954	3.32%
ZIP Code 06518	General	Hamden	19,528	4.33%
ZIP Code 06519	General	New Haven	15,450	3.43%
ZIP Code 06520	P.O. Box	New Haven	0	0.00%
ZIP Code 06521	P.O. Box	New Haven	0	0.00%
ZIP Code 06524	General	Bethany	5,297	1.17%
ZIP Code 06525	General	Woodbridge	9,087	2.02%
ZIP Code 06530	P.O. Box	New Haven	0	0.00%
ZIP Code 06531	P.O. Box	New Haven	0	0.00%
ZIP Code 06532	P.O. Box	New Haven	0	0.00%
ZIP Code 06533	P.O. Box	New Haven	0	0.00%
ZIP Code 06534	P.O. Box	New Haven	0	0.00%
ZIP Code 06535	P.O. Box	New Haven	0	0.00%
ZIP Code 06536	P.O. Box	New Haven	0	0.00%
ZIP Code 06537	Unique	New Haven	0	0.00%
ZIP Code 06538	Unique	New Haven	0	0.00%
ZIP Code 06540	Unique	New Haven	0	0.00%

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

Important South Central Ct, CT Information

South Central Ct Planning Region, CT Covers 55 ZIP Codes. This includes 20 General ZIP Codes, 18 PO Box ZIP Codes, and 6 Unique (reserved for Business and Volume Mail Receivers). There are also 11 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in South Central Ct Planning Region.

The population for South Central Ct Planning Region is 450,952, according to the U.S. Census. Population Density is 1,228.75 persons per square mile. With 195,448 Housing Units, the Average Household Size is 2.38 persons. There are 180,581 Family Households with an Average Family Size of 3.33 persons. 6.09% of the population is without Health Insurance. The 60.31% Employment Rate is 0.51% above the national average of 59.8%.379,856 people aged 25+ have some educational achievement, with 38.43% (or 145,978 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including203 and 475. South Central Ct is also located in the Eastern timezone and the current local time is shown above.

South Central Ct is part of the New Haven, CT Core Based Statistical Area (CBSA). Its CBSA Code is 35300.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 South Central Ct, CT have 188,290 Residential mailboxes and 14,532 Business mailboxes.There are 10,808 businesses with a total of 204,119 employees. That is an average of 18.9 employees per business. Annual payroll for these businesses is $13,386,989,000. Other Demographics

South Central Ct Planning Region Demographic Profile

Population & People

Total Population

450,952

Income

Median Household Income

$81,658

Housing

Total Housing Units

195,448

Health

Without Healthcare Coverage

6.09%

Business & Economy

Total Businesses

10,808

Families

Total Households

180,581

Employment

Employment Rate

60.31%

Education

Bachelor's Degree or Higher

38.43%

Connecticut moved from Counties to Planning Regions in 2024, after the 2020 Census data was released. Some 2020 values are not available at the Planning Region level, so a sum or average of ZIP Codes in this region are used instead.

Total Population: Total number of people from the 2020 U.S. Census for South Central Ct, CT. 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.	450,952
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in South Central Ct, CT. 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.	448,054
Total Households: Total number of Households from the 2020 U.S. Census for South Central Ct, CT. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	180,581
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.	195,448
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.	2.38
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.	3.33

Other South Central Ct Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	188,290
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	14,532
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.	227,081
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	135,373
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	32,596

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	10,808
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$3,272,752,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$13,386,989,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	204,119

Sum of all ZIP Codes assigned South Central Ct, CT as their primary Planning Region.

References

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