Main / ZIP Codes / 02421

ZIP Code 02421 demographics

Cities: 1

Total housing units: 7,116

Population: 18,784

ZIP Code 02421 location, demographics, population, home values, social and economic characteristics.

ZIP Code 02421 Location

The list below contains cities and counties that use ZIP Code 02421.

02421 state: Massachusetts
02421 county: Middlesex County
02421 city: Lexington CDP

ZIP Code 02421 population: 18,784

Population

Year	Population
2021	18,784
2020	18,578
2019	18,622
2018	18,984
2017	18,760
2016	18,611
2015	18,286
2014	18,359
2013	17,813
2012	17,600
2011	17,298

Census data for ZIP Code 02421

Demographic and housing estimates in ZIP Code 02421

Total population
Total population	18,784
Male	9,261
Female	9,523

Population by age
Total population	18,784
Under 5 years	517
5 to 9 years	1,167
10 to 14 years	2,081
15 to 19 years	1,468
20 to 24 years	552
25 to 34 years	667
35 to 44 years	1,979
45 to 54 years	4,095
55 to 59 years	1,404
60 to 64 years	933
65 to 74 years	2,166
75 to 84 years	1,193
85 years and over	562
Median age (years)	47.1
Under 18 years	5,027
16 years and over	14,741
18 years and over	13,757
21 years and over	13,344
62 years and over	4,448
65 years and over	3,921

Population by race
Total population	18,784
One race	17,753
White	11,266
Black or African American	222
American Indian and Alaska Native	7
Asian	5,948
Native Hawaiian and Other Pacific Islander	0
Some other race	310
Two or more races	1,031

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	11,810
Male Citizen, VOTING AGE 18 and over population	5,597
Female Citizen, VOTING AGE 18 and over population	6,213

Social characteristics in ZIP Code 02421

Households by type
Total households	6,927
Family households (families)	4,838
Married-couple family	132
Male householder, no wife present, family	684
Female householder, no husband present, family	419
Nonfamily households	1,273
Average household size	2,643
Average family size	2.69

Economic characteristics in ZIP Code 02421

Income and benefits (in inflation-adjusted dollars)
Total households	6,927
Less than $10,000	263
$10,000 to $14,999	103
$15,000 to $24,999	212
$25,000 to $34,999	71
$35,000 to $49,999	250
$50,000 to $74,999	383
$75,000 to $99,999	497
$100,000 to $149,999	918
$150,000 to $199,999	886
$200,000 or more	3,344
Median household income (dollars)	191,140

Housing characteristics in ZIP Code 02421

Housing occupancy
Total housing units	7,116
Occupied housing units	6,927
Vacant housing units	189

Units in structure
Total housing units	7,116
1-unit, detached	5,136
1-unit, attached	434
2 units	119
3 or 4 units	201
5 to 9 units	234
10 to 19 units	346
20 or more units	630
Mobile home	0
Boat, RV, van, etc.	16

Year structure built
Total housing units	7,116
Built 2014 or later	15
Built 2010 to 2013	295
Built 2000 to 2009	770
Built 1990 to 1999	515
Built 1980 to 1989	779
Built 1970 to 1979	599
Built 1960 to 1969	1,037
Built 1950 to 1959	1,196
Built 1940 to 1949	464
Built 1939 or earlier	1,446

Rooms
Total housing units	7,116
1 room	74
2 rooms	194
3 rooms	372
4 rooms	594
5 rooms	491
6 rooms	825
7 rooms	1,110
8 rooms	1,135
9 rooms or more	2,321
Median rooms	7.4

Bedrooms
Total housing units	7,116
No bedroom	74
1 bedroom	566
2 bedrooms	979
3 bedrooms	1,994
4 bedrooms	2,279
5 or more bedrooms	1,224

Housing tenure
Occupied housing units	6,927
Owner-occupied	5,335
Renter-occupied	1,592
Average household size of owner-occupied unit	2.83
Average household size of renter-occupied unit	2.21

Year householder moved into unit
Occupied housing units	6,927
Moved in 2017 or later	622
Moved in 2015 to 2016	1,537
Moved in 2010 to 2014	1,061
Moved in 2000 to 2009	1,608
Moved in 1990 to 1999	1,130
Moved in 1989 and earlier	969

Value
Owner-occupied units	5,335
Less than $50,000	21
$50,000 to $99,999	17
$100,000 to $149,999	31
$150,000 to $199,999	0
$200,000 to $299,999	69
$300,000 to $499,999	292
$500,000 to $999,999	2,397
$1,000,000 or more	2,508
Median (dollars)	973,400

Mortgage status
Owner-occupied units	5,335
Housing units with a mortgage	3,409
Housing units without a mortgage	1,926

Gross rent
Occupied units paying rent	1,467
Less than $500	173
$500 to $999	93
$1,000 to $1,499	106
$1,500 to $1,999	90
$2,000 to $2,499	189
$2,500 to $2,999	216
$3,000 or more	600
Median (dollars)	2,691
No rent paid	125

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