Lanark, Upper Saucon Township, PA demographics:
population, income, and more

Total population
1,800
-0.7% year-over-year change
Median household income
$129,123/yr
4.0% year-over-year change
Housing units
653
-1.8% year-over-year change

Lanark population

How many people live in Lanark

Lanark is home to 1,800 residents, according to the most recent Census data. Gender-wise, 49.7% of Lanark locals are male, and 50.3% are female.

Total population
1,800
-0.7% year-over-year change
Gender ratio
Male
49.7%
894
Female
50.3%
906
Value Percent YoY change
Male 894 49.7% 0.9%
Female 906 50.3% -2.2%
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 Lanark is 42, with the population distributed as follows: about 15.2% are children under 15, then 15.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.1% of the population, while another 28.8% fall into the 45 to 64 bracket. Finally, around 19.4% are 65 or older.

Median age
42.5
Age breakdown
Under 15
15.2%
15 to 24
15.6%
25 to 44
21.1%
45 to 64
28.8%
Over 65
19.4%
Value Percent YoY change
Under 15 273 15.2% -1.8%
15 to 24 280 15.6% -0.7%
25 to 44 379 21.1% -3.6%
45 to 64 518 28.8% -2.8%
Over 65 350 19.4% 7.4%
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 Lanark, 92.8% of the population are US-born citizens, while 5.2% have gained naturalized citizenship. At the same time, 2% of residents are non-citizens. As for race, 85.3% of locals are Caucasian, 2.1% are African American and 5.1% have Asian roots. There’s also a share of 5.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.8%
Non-U.S.-born citizens
5.2%
Non-citizens
2%
Value Percent YoY change
U.S.-born citizens 1,671 92.8% -0.7%
Non-U.S.-born citizens 93 5.2% -1.1%
Non-citizens 36 2% 2.9%
Racial breakdown
White
85.3%
Black or African American
2.1%
American Indian and Alaska Native
0%
Asian
5.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.9%
Other
1.7%
Value Percent
White 1,535 85.3%
Black or African American 37 2.1%
Asian 91 5.1%
Two or more races 106 5.9%
Other 31 1.7%

Households in Lanark

A peek inside Lanark households

Lanark has 635 households, with an average of 3 members in each. Of these, 75.8% are families, while the remaining 24.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
635
-1.6% year-over-year change
Average people per household
3
Non-family households
154
Family households
481
Value Percent YoY change
Non-family households 154 24.2% 5.5%
Family households 481 75.8% -3.6%
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 Lanark

The housing landscape of Lanark

Lanark's housing consists of 653 units, with 72.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 15.1% 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 1.5% of the housing landscape.

Housing units
653
-1.8% year-over-year change
Housing types
Value Percent
1 unit, detached 474 72.4%
1 unit, attached 99 15.1%
2 units 19 2.9%
3 or 4 units 5 0.8%
5 to 9 units 5 0.8%
10 to 19 units 16 2.4%
20 to 49 units 15 2.3%
50 or more units 12 1.8%
Mobile home 10 1.5%
Homes built since 2020
25
92.3% year-over-year change

The age of buildings in Lanark

In Lanark, the median construction year is 1974. About 12.2% of homes were built before the 1940s, with another 4.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 14.1% of homes were added from 2000 to 2009, 7.8% between 2010 and 2019, and 3.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 80 12.2% 8.1%
Built between 1940 and 1949 28 4.3% 0.0%
Built between 1950 and 1959 85 13% 3.7%
Built between 1960 and 1969 76 11.6% 11.8%
Built between 1970 and 1979 89 13.6% -5.3%
Built between 1980 and 1989 53 8.1% -5.4%
Built between 1990 and 1999 75 11.5% -13.8%
Built between 2000 and 2009 92 14.1% -13.2%
Built between 2010 and 2019 51 7.8% -10.5%
Built in 2020 or later 25 3.8% 92.3%
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.

Lanark occupancy rates

Out of the 635 occupied housing units in Lanark, 82.7% are owner-occupied, while 17.3% are lived in by tenants. Meanwhile, 2.8% of all homes on the local market sit vacant.

Occupied housing units
635
-1.6% year-over-year change
Occupancy breakdown
Renter occupied
110
Owner occupied
525
Value Percent YoY
change
Renter occupied 110 17.3% 10.0%
Owner occupied 525 82.7% -3.7%
Unoccupied housing units
2.8%
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.

Lanark housing costs

Housing costs in Lanark come to a median of $1,779 per month, while tenants specifically pay a median gross rent of $1,360.

Median housing costs per month
$1,779/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 Lanark
$1,360/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 Lanark

Lanark education at a glance

About 27.8% of the population in Lanark went to high school, while 20.8% pursued college studies. Another 8.9% earned an associate degree and 23.8% hold a bachelor’s. Meanwhile, 17.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 15 1% 25.0%
High school diploma 408 27.8% -3.3%
College diploma 305 20.8% 1.0%
Associate degree 130 8.9% 4.8%
Bachelor's degree 349 23.8% 1.8%
Graduate degree 261 17.8% -2.2%
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 Lanark

How much people earn in Lanark

The average annual household income in Lanark was $208,613 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +15.1% change from the previous year. At the same time, the median income stood at $129,123, reflecting a +4% shift over the same period.

Average household income in Lanark
$208,613/year
15.1% year-over-year change
Median household income in Lanark
$129,123/year
4.0% year-over-year change

Lanark income by age

In Lanark, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $134,092. Those with someone between 45 and 64 in charge, often well established professionally, earn $167,500 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $55,435, while those led by someone over 65, many of whom may be retired, have about $77,650 in earnings. Overall, 94.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $55,435 -4.5%
25 - 44 $134,092 0.6%
45 - 64 $167,500 7.0%
Over 65 $77,650 7.5%
Above poverty level
1,570
Below poverty level
92
Value Percent YoY
change
Above poverty level 1,570 94.5% -1.6%
Below poverty level 92 5.5% 4.5%

Employment in Lanark

Workforce and job types in Lanark

77.7% of the working population are employed in professional or administrative positions, while 22.3% are in hands-on or service-based jobs. Also, 9.9% run their own businesses, 64.9% are employed by private companies, and 10.8% work in the public sector.

Workforce demographics

White collar
718
Blue collar
206
Value Percent YoY change
White collar 718 77.7% 0.1%
Blue collar 206 22.3% -3.3%
Employer type
Self employees
9.9%
Private companies
64.9%
Governmental workers
10.8%
Not for profit companies
14.4%
Value Percent YoY change
Self employees 91 9.9% 8.3%
Private companies 599 64.9% 2.4%
Governmental workers 100 10.8% -9.9%
Not for profit companies 133 14.4% -11.9%

Transportation in Lanark

How people get around in Lanark

In Lanark, the average commute time is 1 minutes. Commuting methods vary: 97.1% of residents travel by personal vehicle and 2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
1 min
Means of transportation
Value Percent YoY change
Car 676 97.1% -7.1%
Bus or trolleybus 3 0.4% 0.0%
Railroad 2 0.3% -33.3%
Bicycle 1 0.1% 0.0%
Walk 14 2% 7.7%
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 Lanark by zipcode?

Zipcode Population Number of households Median income Average income
18034 9,209 2,922 $153,200 $250,466
18036 15,581 6,009 $129,123 $171,095
18049 18,941 7,702 $93,694 $120,915

Explore more communities

FAQs about Lanark demographics 

What is the total population of Lanark?

Lanark has a total population of 1,800 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 -0.7% compared to a year ago.

What is the gender ratio in Lanark?

The gender ratio in Lanark is as follows:
  • 49.7% males (894 residents)
  • 50.3% females (906 residents)

What is the median age in Lanark?

The median age in Lanark is 42.5.

What is the age distribution of the population in Lanark?

The age distribution in Lanark is as follows:
  • Under 15: 15.2% (273 residents)
  • Ages 15-24: 15.6% (280 residents)
  • Ages 25-44: 21.1% (379 residents)
  • Ages 45-64: 28.8% (518 residents)
  • Over 65: 19.4% (350 residents)

What is the racial and ethnic makeup of Lanark?

The racial and ethnic makeup of Lanark is as follows:
  • White: 85.3% (1,535 residents)
  • Black or African American: 2.1% (37 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 5.1% (91 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.9% (106 residents)
  • Other: 1.7% (31 residents)

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

U.S.-born citizens represent 92.8% of the population in Lanark.

How many housing units are there in Lanark?

There are 653 housing units in Lanark, reflecting a -1.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Lanark has a total of 635 households, with an average of 3 people in each.

What is the median household income in Lanark?

Lanark has a median household income of $129,123, representing a +4.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Lanark?

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

Job types:
  • White-collar workers: 77.7% (718 residents)
  • Blue-collar workers: 22.3% (206 residents)

Places of employment:
  • Self-employed: 9.9% (91 residents)
  • Private companies: 64.9% (599 residents)
  • Governmental workers: 10.8% (100 residents)
  • Not-for-profit companies: 14.4% (133 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