Annex, New Haven, CT demographics:
population, income, and more

Total population
4,314
0.0% year-over-year change
Median household income
$72,323/yr
10.8% year-over-year change
Housing units
1,915
0.4% year-over-year change

Annex population

How many people live in Annex

Annex is home to 4,314 residents, according to the most recent Census data. Gender-wise, 46.6% of Annex locals are male, and 53.4% are female.

Total population
4,314
0.0% year-over-year change
Gender ratio
Male
46.6%
2,010
Female
53.4%
2,303
Value Percent YoY change
Male 2,010 46.6% -0.5%
Female 2,303 53.4% 0.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Annex is 42, with the population distributed as follows: about 16% are children under 15, then 12.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.3% of the population, while another 27.8% fall into the 45 to 64 bracket. Finally, around 17.6% are 65 or older.

Median age
42
Age breakdown
Under 15
16%
15 to 24
12.3%
25 to 44
26.3%
45 to 64
27.8%
Over 65
17.6%
Value Percent YoY change
Under 15 689 16% -5.1%
15 to 24 532 12.3% -1.3%
25 to 44 1,135 26.3% 4.6%
45 to 64 1,200 27.8% -1.6%
Over 65 758 17.6% 1.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Annex, 77.9% of the population are US-born citizens, while 13.6% have gained naturalized citizenship. At the same time, 8.6% of residents are non-citizens. As for race, 50.8% of locals are Caucasian, 15.2% are African American and 2.2% have Asian roots. There’s also a share of 12.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
77.9%
Non-U.S.-born citizens
13.6%
Non-citizens
8.6%
Value Percent YoY change
U.S.-born citizens 3,359 77.9% 0.0%
Non-U.S.-born citizens 586 13.6% 2.6%
Non-citizens 369 8.6% -3.9%
Racial breakdown
White
50.8%
Black or African American
15.2%
American Indian and Alaska Native
0.2%
Asian
2.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.9%
Other
18.6%
Value Percent
White 2,192 50.8%
Black or African American 657 15.2%
American Indian and Alaska Native 10 0.2%
Asian 93 2.2%
Two or more races 558 12.9%
Other 803 18.6%

Households in Annex

A peek inside Annex households

Annex has 1,784 households, with an average of 2 members in each. Of these, 59.9% are families, while the remaining 40.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,784
0.7% year-over-year change
Average people per household
2
Non-family households
715
Family households
1,069
Value Percent YoY change
Non-family households 715 40.1% -1.9%
Family households 1,069 59.9% 2.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Annex

The housing landscape of Annex

Annex's housing consists of 1,915 units, with 42.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.2% of the housing landscape.

Housing units
1,915
0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 819 42.8%
1 unit, attached 140 7.3%
2 units 236 12.3%
3 or 4 units 292 15.3%
5 to 9 units 108 5.6%
10 to 19 units 68 3.6%
20 to 49 units 64 3.3%
50 or more units 184 9.6%
Mobile home 3 0.2%
Homes built since 2020
5
% year-over-year change

The age of buildings in Annex

In Annex, the median construction year is 1964. About 23.2% of homes were built before the 1940s, with another 7% going up by 1949. Most development happened in the second half of the 20th century. Then, 4.8% of homes were added from 2000 to 2009, 2% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 445 23.2% -5.5%
Built between 1940 and 1949 135 7% 12.5%
Built between 1950 and 1959 240 12.5% -16.7%
Built between 1960 and 1969 331 17.3% 3.4%
Built between 1970 and 1979 256 13.4% 8.9%
Built between 1980 and 1989 265 13.8% 1.9%
Built between 1990 and 1999 108 5.6% 17.4%
Built between 2000 and 2009 91 4.8% -5.2%
Built between 2010 and 2019 39 2% 50.0%
Built in 2020 or later 5 0.3% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Annex occupancy rates

Out of the 1,784 occupied housing units in Annex, 53.6% are owner-occupied, while 46.4% are lived in by tenants. Meanwhile, 6.8% of all homes on the local market sit vacant.

Occupied housing units
1,784
0.7% year-over-year change
Occupancy breakdown
Renter occupied
827
Owner occupied
957
Value Percent YoY
change
Renter occupied 827 46.4% -0.8%
Owner occupied 957 53.6% 2.1%
Unoccupied housing units
6.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Annex housing costs

Housing costs in Annex come to a median of $1,534 per month, while tenants specifically pay a median gross rent of $1,371.

Median housing costs per month
$1,534/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Annex
$1,371/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Annex

Annex education at a glance

About 44.8% of the population in Annex went to high school, while 19% pursued college studies. Another 6.4% earned an associate degree and 14.6% hold a bachelor’s. Meanwhile, 9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 212 6.2% -4.5%
High school diploma 1,534 44.8% 0.9%
College diploma 649 19% 1.1%
Associate degree 219 6.4% -4.8%
Bachelor's degree 501 14.6% 3.9%
Graduate degree 309 9% 6.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Annex

How much people earn in Annex

The average annual household income in Annex was $95,510 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.9% change from the previous year. At the same time, the median income stood at $72,323, reflecting a +10.8% shift over the same period.

Average household income in Annex
$95,510/year
8.9% year-over-year change
Median household income in Annex
$72,323/year
10.8% year-over-year change

Annex income by age

In Annex, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $78,028. Those with someone between 45 and 64 in charge, often well established professionally, earn $78,764 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $57,245, while those led by someone over 65, many of whom may be retired, have about $53,770 in earnings. Overall, 84.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $57,245 4.5%
25 - 44 $78,028 17.3%
45 - 64 $78,764 -3.0%
Over 65 $53,770 10.9%
Above poverty level
3,601
Below poverty level
643
Value Percent YoY
change
Above poverty level 3,601 84.8% 1.8%
Below poverty level 643 15.2% -7.9%

Employment in Annex

Workforce and job types in Annex

71.5% of the working population are employed in professional or administrative positions, while 28.5% are in hands-on or service-based jobs. Also, 7% run their own businesses, 67.4% are employed by private companies, and 12.3% work in the public sector.

Workforce demographics

White collar
1,489
Blue collar
594
Value Percent YoY change
White collar 1,489 71.5% -3.1%
Blue collar 594 28.5% 3.1%
Employer type
Self employees
7%
Private companies
67.4%
Governmental workers
12.3%
Not for profit companies
13.3%
Value Percent YoY change
Self employees 145 7% -2.7%
Private companies 1,404 67.4% -0.8%
Governmental workers 256 12.3% -4.5%
Not for profit companies 277 13.3% -0.7%

Transportation in Annex

How people get around in Annex

In Annex, the average commute time is 3 minutes. Commuting methods vary: 89.8% of residents travel by personal vehicle and 3.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
3 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 1,621 89.8% -3.9%
Taxicab 15 0.8% -11.8%
Bus or trolleybus 75 4.2% -11.8%
Railroad 18 1% 20.0%
Motorcycle 1 0.1% 0.0%
Bicycle 9 0.5% 28.6%
Walk 66 3.7% 17.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Annex by zipcode?

Zipcode Population Number of households Median income Average income
06512 28,830 12,083 $96,146 $110,619
06513 38,888 15,914 $48,500 $69,396

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FAQs about Annex demographics 

What is the total population of Annex?

Annex has a total population of 4,314 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by 0.0% compared to a year ago.

What is the gender ratio in Annex?

The gender ratio in Annex is as follows:
  • 46.6% males (2,010 residents)
  • 53.4% females (2,303 residents)

What is the median age in Annex?

The median age in Annex is 42.

What is the age distribution of the population in Annex?

The age distribution in Annex is as follows:
  • Under 15: 16% (689 residents)
  • Ages 15-24: 12.3% (532 residents)
  • Ages 25-44: 26.3% (1,135 residents)
  • Ages 45-64: 27.8% (1,200 residents)
  • Over 65: 17.6% (758 residents)

What is the racial and ethnic makeup of Annex?

The racial and ethnic makeup of Annex is as follows:
  • White: 50.8% (2,192 residents)
  • Black or African American: 15.2% (657 residents)
  • American Indian and Alaska Native: 0.2% (10 residents)
  • Asian: 2.2% (93 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 12.9% (558 residents)
  • Other: 18.6% (803 residents)

What percentage of the population in Annex are U.S.-born citizens?

U.S.-born citizens represent 77.9% of the population in Annex.

How many housing units are there in Annex?

There are 1,915 housing units in Annex, reflecting a +0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Annex and what is the average household size?

Annex has a total of 1,784 households, with an average of 2 people in each.

What is the median household income in Annex?

Annex has a median household income of $72,323, representing a +10.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Annex?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.5% (1,489 residents)
  • Blue-collar workers: 28.5% (594 residents)

Places of employment:
  • Self-employed: 7% (145 residents)
  • Private companies: 67.4% (1,404 residents)
  • Governmental workers: 12.3% (256 residents)
  • Not-for-profit companies: 13.3% (277 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025