ZIP Code Tabulation Area

19539

Mertztown, PA · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
3,823
Median household income
$107,656
People below poverty
3.1%
Median home value
$266,700

Income

The median income of households in 19539 was $107,656. An estimated 0.5% of households had income below $10,000 a year and 11.2% had income of $200,000 or more.

Household Income in 19539 in 2020-2024

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Percent
Less than $10,000 0.5
$10,000 to $14,999 0.7
$15,000 to $24,999 5.4
$25,000 to $34,999 1.4
$35,000 to $49,999 6.9
$50,000 to $74,999 19.7
$75,000 to $99,999 10
$100,000 to $149,999 25.1
$150,000 to $199,999 19
$200,000 or more 11.2

Median Earnings for Full-Time Year-Round Workers by Sex in 19539 in 2020-2024

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Dollars
Male 78971
Female 66083

An estimated 79.3% of households received earnings. An estimated 35.7% of households received Social Security and an estimated 27 % of households received retirement income other than Social Security. The average income from Social Security was $27,431. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 19539 in 2020-2024

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Percent
Earnings 79.3
Social Security 35.7
Retirement income 27
Supplemental Security Income (SSI) 2.6
Cash public assistance income 2.9

Poverty and Participation in Government Programs

In 2020-2024, 3.1 % of people were in poverty. An estimated 1.4% of children under 18 were below the poverty level, compared with 3.6% of people 65 years old and over. An estimated 3.3% of people 18 to 64 years were below the poverty level.

Poverty Rates in 19539 in 2020-2024

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Percent
People in poverty 3.1
Children under 18 years below poverty 1.4
People 65 years old and over below poverty 3.6
People 18 to 64 years below poverty 3.3

In 2020-2024, 5 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 34.7% of households that received SNAP had children under 18, and 65.3% of households that received SNAP had one or more people 60 years and over. An estimated 17.3% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 19539 in 2020-2024, 96.6% had health insurance coverage and 3.4% did not have health insurance coverage. Private coverage was 79.5% and public coverage was 29.4%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 3.5%.


In 2020-2024, 19539 had a total population of 3,823 - 1,785 (46.7%) females and 2,038 (53.3%) males. The median age was 47 years. An estimated 17.3% of the population was under 18 years, 28.8% was 19 to 44 years, 32.3% was 45 to 64 years, and 19.7 % was 65 years and older.

Population by Age and Sex for 19539 in 2020-2024

Male Female
Under 5 109 59
5 to 9 62 85
10 to 14 85 134
15 to 19 149 51
20 to 24 142 100
25 to 29 66 46
30 to 34 98 82
35 to 39 165 146
40 to 44 71 186
45 to 49 163 97
50 to 54 127 87
55 to 59 119 138
60 to 64 286 217
65 to 69 257 143
70 to 74 73 106
75 to 79 20 59
80 to 84 31 37
85 and over 15 12

Hispanic Origin and Race

For people reporting one race alone, 96.1% were White; 1% were Black or African American; 3.1% were American Indian and Alaska Native; 0.5% were Asian; 0% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 2.2% reported Two or More Races. An estimated 0.6% of the people in 19539 were Hispanic or Latino. An estimated 95.6% of the people in 19539 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 1,489 households in 19539. The average household size was 2.57 people.

Married-couple households made up 65.7% of the households in 19539 while cohabiting couple households made up 10.7% of households. Female householders with no spouse or partner present were 8.7% of all households, while 15% of households had male householders with no spouse or partner present. Some households had one person, as 10.7% of households were male householders living alone, and 6% were female householders living alone, for a total of 16.7% of all households.

In 19539, 28.7% of all households had one or more people under the age of 18; 34.4% of all households had one or more people 65 years and over.

Types of Households in 19539 in 2020-2024

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Percent
Married-couple households 65.7
Cohabiting Couples 10.7
Male Householder
No spouse/partner present
15
Female Householder
No spouse/partner present
8.7

Marital Status

Among persons 15 and older, 56.5% of males and 66% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 30.2 16.9
Now married, except separated 56.5 66
Separated 0 1.1
Widowed 1 6.8
Divorced 12.3 9.3

Grandparents and Grandchildren

In 19539, 70 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 7.1% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 98.6% of the people living in 19539 were U.S. natives. 86.5% of the 19539 population were living in the state where they were born.

Approximately 1.4% of 19539 residents in 2020-2024 were foreign-born. 100% of foreign-born were naturalized U.S. citizens and an estimated 58.5 % entered the country before the year 2010.

Foreign-born residents of 19539 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 19539.

Region of Birth for the Foreign-Born Population in 19539 in 2020-2024

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Percent
Latin America 0
Asia 37.7
Europe 41.5
Africa 20.8
Northern America 0
Oceania 0

Language

Among people at least five years old living in 19539 in 2020-2024, 3.3 % spoke a language other than English at home. Spanish was spoken by 0% of people at least five years old; 0.2% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 19539 in 2020-2024

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Percent
Spanish 0
Other Indo-European languages 2.8
Asian and Pacific Islander languages 0.4
Other languages 0

Geographic Mobility

In 2020-2024, 92.1 % of the people at least one year old living in 19539 were living in the same house one year earlier.

Geographic Mobility of Residents of 19539 in 2020-2024

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Percent
Same house 92.1
Different house, same county 1.5
Different county, same state 5.7
Different state 0.7
Abroad 0

Education

In 2020-2024, 94.8 % of people 25 years and over had at least graduated from high school and 27.3% had a bachelor's degree or higher. An estimated 5.2% did not complete high school.

The total school enrollment in 19539 was 612 in 2020-2024. Nursery school enrollment was 24 and kindergarten through 12th grade enrollment was 509. College or graduate school enrollment was 79.

Educational Attainment of People in 19539 in 2020-2024

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Percent
Less than high school diploma 5.2
High school diploma or equivalency 38.8
Some college, no degree 16.8
Associate's degree 12
Bachelor's degree 15.7
Graduate or professional degree 11.6

Disability

In 19539, among the civilian noninstitutionalized population in 2020-2024, 10.1 % reported a disability. The likelihood of having a disability varied by age - from 8.2% of people under 18 years old, to 8.1% of people 18 to 64 years old, and to 18.1% of those 65 and over.


Employment Status and Type of Employer

In 19539, 68.4 % of the population 16 and over were employed; 29% were not currently in the labor force.

An estimated 83.4% of the people employed were private wage and salary workers; 11% were federal, state, or local government workers; and 5.6 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 1,825 83.4
Federal, state, or local government workers 241 11
Self-employed workers in own not incorporated business 123 5.6

Industries

In 2020-2024, the civilian employed population 16 years and older in 19539 worked in the following industries:

Percent by Industry in 19539 in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 1.1
Construction 6.3
Manufacturing 30.9
Wholesale trade 0.4
Retail trade 7
Transportation and warehousing, and utilities 3.7
Information 0.8
Finance and insurance, and real estate and rental and leasing 4.1
Professional, scientific, and management, and administrative and waste management services 6
Educational services, and health care and social assistance 26.2
Arts, entertainment, and recreation, and accommodation, and food services 5.3
Other Services, except public administration 6.2
Public administration 2

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 19539 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 814 37.2
Service occupations 273 12.5
Sales and office occupations 253 11.6
Natural resources, construction, and maintenance occupations 230 10.5
Production, transportation, and material moving occupations 619 28.3

Commuting to Work

An estimated 68.8% of 19539 workers drove to work alone in 2020-2024, and 17% carpooled. Among those who commuted to work, it took them on average 21.9 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 19539 in 2020-2024

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Percent
Car, truck, van -- drove alone 68.8
Car, truck, van -- carpooled 17
Public transportation (excluding taxicab) 0
Walked 2.6
Other means 0
Worked from home 11.6

In 2020-2024, 19539 had a total of 1,507 housing units. Of these housing units, 93.2% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 1.4% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 5.3% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 19539 in 2020-2024

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Percent
Single-family houses 93.2
Apartments in multi-unit structures 1.4
Mobile homes 5.3
Boat, RV, van, etc 0

3% of the housing inventory was comprised of houses built since 2010, while 18.2% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 19539 was 7.3 rooms, and of these housing units 80.3% had three or more bedrooms.


In 2020-2024, 19539 had 1,489 housing units that were occupied or had people living in them, while the remaining 18 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 94.3% while renters occupied 5.7%. The average household size of owner-occupied houses was 2.61 and in renter-occupied houses it was 1.82.

1.4% of householders of these occupied houses had moved into their house since 2021, while 24.4% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 2.6% and another 40.4% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 19539:

House Heating Fuel Used in 19539 in 2020-2024

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Percent
Gas 15.8
Electricity 31.7
Fuel oil, kerosene, etc 38.5
All other fuels 14.1
No fuel used 0

In 2020-2024, the median property value for owner-occupied houses in 19539 was $266,700.

Of the owner-occupied households, 67.2 % had a mortgage. 32.8% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $2,050 and for owners without a mortgage it was $681.

For renter-occupied houses, the median gross rent for 19539 was $1,188. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.