Churches in zip code 01330 include: Saint Johns Episcopal Church (A) , First Congregational Church (B) . Display/hide their locations on the map. Cemeteries: Ashfield Plain Cemetery (1) , Hill Cemetery (2) .hurches in zip code 01330 include: Saint Johns Episcopal Church (A) , First Congregational Church (B) . Display/hide their locations on the map. Cemeteries: Ashfield Plain Cemetery (1) , Hill Cemetery (2) .
Companies also track demographics like education, household size and occupation. Most demographics are defined or delineated by specific ranges. For example, the age demographic may divided into ranges such as 18 to 24; 25 to 34; 35 to 54; and 55 years and over. People within these age groups have different values. Their preferences for certain products or services may vary as well.
1 For example, the rapid growth of a young adult population unable to find employment can lead to unrest.  Age structure > 65 years and over: The distribution of the population according to age. Information is included by sex and age group (0-14 years, 15-64 years, 65 years and over). The age structure of a population affects a nation's key socioeconomic issues.