Population Demographics for Westfield, Massachusetts in 2020, 2019 
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  |  Total population in Westfield |   |  | Total Population: | 41,094 |  | Male Population: | 20,090 |  | Female Population: | 21,004 |  
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  |  Median age in Westfield |   |  | Both sexes | 38 |  | Male | 37 |  | Female | 40 |  
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  |  Population in households in Westfield |   |  | Total Population: | 38,118 |  | Male Population: | 18,680 |  | Under 5 years: | 1,130 |  | 5 to 9 years: | 1,153 |  | 10 to 14 years: | 1,305 |  | 15 to 17 years: | 895 |  | 18 and 19 years: | 506 |  | 20 years: | 228 |  | 21 years: | 304 |  | 22 to 24 years: | 799 |  | 25 to 29 years: | 1,120 |  | 30 to 34 years: | 973 |  | 35 to 39 years: | 1,127 |  | 40 to 44 years: | 1,380 |  | 45 to 49 years: | 1,457 |  | 50 to 54 years: | 1,547 |  | 55 to 59 years: | 1,304 |  | 60 and 61 years: | 453 |  | 62 to 64 years: | 691 |  | 65 and 66 years: | 351 |  | 67 to 69 years: | 472 |  | 70 to 74 years: | 515 |  | 75 to 79 years: | 397 |  | 80 to 84 years: | 301 |  | 85 years and over: | 272 |  | Female Population: | 19,438 |  | Under 5 years: | 1,068 |  | 5 to 9 years: | 1,129 |  | 10 to 14 years: | 1,248 |  | 15 to 17 years: | 818 |  | 18 and 19 years: | 436 |  | 20 years: | 224 |  | 21 years: | 287 |  | 22 to 24 years: | 745 |  | 25 to 29 years: | 1,139 |  | 30 to 34 years: | 1,022 |  | 35 to 39 years: | 1,160 |  | 40 to 44 years: | 1,379 |  | 45 to 49 years: | 1,558 |  | 50 to 54 years: | 1,510 |  | 55 to 59 years: | 1,449 |  | 60 and 61 years: | 471 |  | 62 to 64 years: | 751 |  | 65 and 66 years: | 397 |  | 67 to 69 years: | 462 |  | 70 to 74 years: | 627 |  | 75 to 79 years: | 550 |  | 80 to 84 years: | 498 |  | 85 years and over: | 510 |  
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  |  Average household size in Westfield |   |  | Total: | 2 |  | Under 18 years: | 1 |  | 18 years and over: | 2 |  
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  |  Number of occupied homes in Westfield |   |  | Total: | 15,335 |  | Family led homes: | 10,041 |  | Husband-wife family: | 7,553 |  | Other family: | 2,488 |  | Population of male led with no wife present: | 733 |  | Population female led with no husband present: | 1,755 |  | Population of Nonfamily homes: | 5,294 |  | Population living alone: | 4,210 |  | Population not living alone: | 1,084 |  
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  |  Total occupied homes in Westfield with people under 18 years old: |   |  | Total: | 15,335 |  | Population of homes with one or more people under 18 years: | 4,740 |  | Population of family homes: | 4,689 |  | Husband-wife family: | 3,207 |  | Under 6 years only: | 672 |  | Under 6 years and 6 to 17 years: | 649 |  | 6 to 17 years only: | 1,886 |  | Other family: | 1,482 |  | Male householder, no wife present: | 369 |  | Under 6 years only: | 110 |  | Under 6 years and 6 to 17 years: | 53 |  | 6 to 17 years only: | 206 |  | Female led with no husband present: | 1,113 |  | Under 6 years only: | 233 |  | Under 6 years and 6 to 17 years: | 195 |  | 6 to 17 years only: | 685 |  | Nonfamily households: | 51 |  | Male led households: | 32 |  | Under 6 years only: | 4 |  | Under 6 years and 6 to 17 years: | 4 |  | 6 to 17 years only: | 24 |  | Female led householder: | 19 |  | Under 6 years only: | 8 |  | Under 6 years and 6 to 17 years: | 0 |  | 6 to 17 years only: | 11 |  | Households with no people under 18 years: | 10,595 |  | Family households: | 5,352 |  | Husband-wife family: | 4,346 |  | Other family: | 1,006 |  | Male led with no wife present: | 364 |  | Female led with no husband present: | 642 |  | Nonfamily households: | 5,243 |  | Male led householder: | 2,437 |  | Female led householder: | 2,806 |  
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  |  Total number led homes in Westfield, by type |   |  | Total Home Population: | 15,335 |  | Population of Family homes: | 10,041 |  | Population of 15 to 24 year olds: | 203 |  | Population of 25 to 34 year olds: | 1,275 |  | Population of 35 to 44 year olds: | 2,127 |  | Population of 45 to 54 year olds: | 2,578 |  | Population of 55 to 59 year olds: | 1,075 |  | Population of 60 to 64 year olds: | 917 |  | Population of 65 to 74 year olds: | 1,102 |  | Population of 75 to 84 year olds: | 579 |  | Population of 85 year olds and over: | 185 |  | Population of Nonfamily Homes: | 5,294 |  | Population of 15 to 24 year olds: | 368 |  | Population of 25 to 34 year olds: | 588 |  | Population of 35 to 44 year olds: | 575 |  | Population of 45 to 54 year olds: | 939 |  | Population of 55 to 59 year olds: | 521 |  | Population of 60 to 64 year olds: | 502 |  | Population of 65 to 74 year olds: | 739 |  | Population of 75 to 84 year olds: | 635 |  | Population of 85 year olds and over: | 427 |  
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  |  households in Westfield containing people over 60 |   |  | Total Population: | 15,335 |  | Population of homes with one or more people 60 years and over: | 5,552 |  | 1-person household: | 2,142 |  | 2-or-more-person household: | 3,410 |  | Family households: | 3,212 |  | Nonfamily households: | 198 |  | Population of homes with no people 60 years and over: | 9,783 |  | 1-person household: | 2,068 |  | 2-or-more-person household: | 7,715 |  | Family homes: | 6,829 |  | Nonfamily homes: | 886 |  
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  |  homes in Westfield with multiple generations. |   |  | Total Population: | 15,335 |  | Home has three or more generations: | 446 |  | Home does not have three or more generations: | 14,889 |  
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  |  Unmarried population in Westfield under 18 years old in homes |   |  | Total Population: | 8,743 |  | Unmarried partner of home lead present: | 709 |  | In family homes: | 671 |  | Population of male led and male partner homes: | 18 |  | Population of male led and female partner households: | 274 |  | Population of female led and female partner households: | 28 |  | Population of female led and male partner households: | 351 |  | In nonfamily homes: | 38 |  | Population of male led and male partner homes: | 0 |  | Population of male led and female partner homes: | 29 |  | Population of female led and female partner homes: | 1 |  | Population of female led and male partner homes: | 8 |  | No unmarried partner of home lead present: | 8,034 |  | In family homes: | 8,006 |  | Population of husband-wife family homes: | 6,253 |  | Population of male lead with no wife present, family homes: | 275 |  | Population of female lead with no husband present, family homes: | 1,478 |  | In nonfamily homes: | 28 |  
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  |  Population in families living in Westfield |   |  | Total Population: | 30,645 |  | Population Under 18 years: | 8,591 |  | Population 18 years and over: | 22,054 |  
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  |  How long in Westfield have lived in one place. |   |  | Total: | 15,335 |  | Population of Owner occupied homes: | 10,345 |  | Family home: | 7,725 |  | Nonfamily homess: | 2,620 |  | Male led home: | 1,129 |  | Living alone: | 855 |  | Not living alone: | 274 |  | Female led home: | 1,491 |  | Living alone: | 1,280 |  | Not living alone: | 211 |  | Population of Renter occupied homes: | 4,990 |  | Family run homes: | 2,316 |  | Husband-wife family: | 1,101 |  | Other family: | 1,215 |  | Male led with no wife present: | 318 |  | Female led with no husband present: | 897 |  | Nonfamily Homes: | 2,674 |  | Male led homes: | 1,340 |  | Male living alone: | 1,004 |  | Male not living alone: | 336 |  | Female led homes: | 1,334 |  | Females living alone: | 1,071 |  | Females not living alone: | 263 |  
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