Grantham, PA demographics:
population, income, and more

Total population
2,701
1.9% year-over-year change
Median household income
$86,513/yr
15.8% year-over-year change
Housing units
194
10.9% year-over-year change

Grantham population

How many people live in Grantham

Grantham is home to 2,701 residents, according to the most recent Census data. Gender-wise, 43% of Grantham locals are male, and 57% are female.

Total population
2,701
1.9% year-over-year change
Gender ratio
Male
43%
1,160
Female
57%
1,541
Value Percent YoY change
Male 1,160 43% -0.2%
Female 1,541 57% 3.6%
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 Grantham is 21, with the population distributed as follows: about 3.6% are children under 15, then 82.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 5.3% of the population, while another 5.9% fall into the 45 to 64 bracket. Finally, around 2.6% are 65 or older.

Median age
20.6
Age breakdown
Under 15
3.6%
15 to 24
82.6%
25 to 44
5.3%
45 to 64
5.9%
Over 65
2.6%
Value Percent YoY change
Under 15 97 3.6% -22.4%
15 to 24 2,229 82.6% 1.9%
25 to 44 144 5.3% 16.1%
45 to 64 160 5.9% 13.5%
Over 65 70 2.6% -2.8%
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 Grantham, 92.5% of the population are US-born citizens, while 4.6% have gained naturalized citizenship. At the same time, 2.9% of residents are non-citizens. As for race, 80.2% of locals are Caucasian, 8.4% are African American and 3.4% have Asian roots. There’s also a share of 5.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.5%
Non-U.S.-born citizens
4.6%
Non-citizens
2.9%
Value Percent YoY change
U.S.-born citizens 2,497 92.5% 3.4%
Non-U.S.-born citizens 125 4.6% -22.4%
Non-citizens 78 2.9% 6.8%
Racial breakdown
White
80.2%
Black or African American
8.4%
American Indian and Alaska Native
0%
Asian
3.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.8%
Other
2.2%
Value Percent
White 2,166 80.2%
Black or African American 227 8.4%
Asian 93 3.4%
Two or more races 157 5.8%
Other 59 2.2%

Households in Grantham

A peek inside Grantham households

Grantham has 190 households, with an average of 2 members in each. Of these, 92.1% are families, while the remaining 7.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
190
10.5% year-over-year change
Average people per household
2
Non-family households
15
Family households
175
Value Percent YoY change
Non-family households 15 7.9% 15.4%
Family households 175 92.1% 10.1%
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 Grantham

The housing landscape of Grantham

Grantham's housing consists of 194 units, with 47.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 45.9% and offer a more compact, shared living style.

Housing units
194
10.9% year-over-year change
Housing types
Value Percent
1 unit, detached 92 47.4%
1 unit, attached 89 45.9%
2 units 13 6.7%
Homes built since 2020
% year-over-year change

The age of buildings in Grantham

In Grantham, the median construction year is 1983. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1940 and 1949 2 1% 0.0%
Built between 1950 and 1959 15 7.7% 7.1%
Built between 1970 and 1979 53 27.3% 0.0%
Built between 1980 and 1989 83 42.8% 130.6%
Built between 1990 and 1999 37 19.1% 37.0%
Built between 2000 and 2009 4 2.1% 0.0%
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.

Grantham occupancy rates

Out of the 190 occupied housing units in Grantham, 77.9% are owner-occupied, while 21.6% are lived in by tenants. Meanwhile, 2.1% of all homes on the local market sit vacant.

Occupied housing units
190
10.5% year-over-year change
Occupancy breakdown
Renter occupied
41
Owner occupied
148
Value Percent YoY
change
Renter occupied 41 21.6% 192.9%
Owner occupied 148 77.9% -5.7%
Unoccupied housing units
2.1%
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.

Grantham housing costs

Housing costs in Grantham come to a median of $1,551 per month, while tenants specifically pay a median gross rent of $1,861.

Median housing costs per month
$1,551/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 Grantham
$1,861/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 Grantham

Grantham education at a glance

About 6.3% of the population in Grantham went to high school, while 83.8% pursued college studies. Another 2.7% earned an associate degree and 4.1% hold a bachelor’s. Meanwhile, 3.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 164 6.3% -2.4%
College diploma 2,182 83.8% 2.0%
Associate degree 70 2.7% 37.2%
Bachelor's degree 107 4.1% 17.6%
Graduate degree 80 3.1% 6.7%
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 Grantham

How much people earn in Grantham

The average annual household income in Grantham was $103,084 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.8% change from the previous year. At the same time, the median income stood at $86,513, reflecting a +15.8% shift over the same period.

Average household income in Grantham
$103,084/year
5.8% year-over-year change
Median household income in Grantham
$86,513/year
15.8% year-over-year change

Grantham income by age

In Grantham, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $89,167. Those with someone between 45 and 64 in charge, often well established professionally, earn $76,964 overall. Overall, 93.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $89,167 7.5%
45 - 64 $76,964 N/A
Above poverty level
430
Below poverty level
30
Value Percent YoY
change
Above poverty level 430 93.5% 0.0%
Below poverty level 30 6.5% -11.8%

Employment in Grantham

Workforce and job types in Grantham

91.2% of the working population are employed in professional or administrative positions, while 8.8% are in hands-on or service-based jobs. Also, 1.8% run their own businesses, 72.7% are employed by private companies, and 5.2% work in the public sector.

Workforce demographics

White collar
1,588
Blue collar
153
Value Percent YoY change
White collar 1,588 91.2% 0.4%
Blue collar 153 8.8% 62.8%
Employer type
Self employees
1.8%
Private companies
72.7%
Governmental workers
5.2%
Not for profit companies
20.4%
Value Percent YoY change
Self employees 31 1.8% 10.7%
Private companies 1,266 72.7% -2.6%
Governmental workers 90 5.2% 52.5%
Not for profit companies 355 20.4% 22.8%

Transportation in Grantham

How people get around in Grantham

Commuting methods vary: 43.3% of residents travel by personal vehicle and 56.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 477 43.3% 24.5%
Walk 624 56.7% -7.8%
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 Grantham by zipcode?

Zipcode Population Number of households Median income Average income
17027 2,801 197 $86,513 $103,084

Explore more communities

FAQs about Grantham demographics 

What is the total population of Grantham?

Grantham has a total population of 2,701 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 +1.9% compared to a year ago.

What is the gender ratio in Grantham?

The gender ratio in Grantham is as follows:
  • 43% males (1,160 residents)
  • 57% females (1,541 residents)

What is the median age in Grantham?

The median age in Grantham is 20.6.

What is the age distribution of the population in Grantham?

The age distribution in Grantham is as follows:
  • Under 15: 3.6% (97 residents)
  • Ages 15-24: 82.6% (2,229 residents)
  • Ages 25-44: 5.3% (144 residents)
  • Ages 45-64: 5.9% (160 residents)
  • Over 65: 2.6% (70 residents)

What is the racial and ethnic makeup of Grantham?

The racial and ethnic makeup of Grantham is as follows:
  • White: 80.2% (2,166 residents)
  • Black or African American: 8.4% (227 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 3.4% (93 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.8% (157 residents)
  • Other: 2.2% (59 residents)

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

U.S.-born citizens represent 92.5% of the population in Grantham.

How many housing units are there in Grantham?

There are 194 housing units in Grantham, reflecting a +10.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Grantham has a total of 190 households, with an average of 2 people in each.

What is the median household income in Grantham?

Grantham has a median household income of $86,513, representing a +15.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Grantham?

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

Job types:
  • White-collar workers: 91.2% (1,588 residents)
  • Blue-collar workers: 8.8% (153 residents)

Places of employment:
  • Self-employed: 1.8% (31 residents)
  • Private companies: 72.7% (1,266 residents)
  • Governmental workers: 5.2% (90 residents)
  • Not-for-profit companies: 20.4% (355 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