Mill Creek, Mercer County, PA demographics:
population, income, and more

Total population
319
10.0% year-over-year change
Median household income
$48,750/yr
8.3% year-over-year change
Housing units
127
11.4% year-over-year change

Mill Creek population

How many people live in Mill Creek

Mill Creek is home to 319 residents, according to the most recent Census data. Gender-wise, 54.6% of Mill Creek locals are male, and 45.4% are female.

Total population
319
10.0% year-over-year change
Gender ratio
Male
54.6%
174
Female
45.4%
145
Value Percent YoY change
Male 174 54.6% 17.6%
Female 145 45.4% 2.1%
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 Mill Creek is 34, with the population distributed as follows: about 19.8% are children under 15, then 18.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.7% of the population, while another 23.5% fall into the 45 to 64 bracket. Finally, around 12.8% are 65 or older.

Median age
34.3
Age breakdown
Under 15
19.8%
15 to 24
18.2%
25 to 44
25.7%
45 to 64
23.5%
Over 65
12.8%
Value Percent YoY change
Under 15 63 19.8% 12.5%
15 to 24 58 18.2% 48.7%
25 to 44 82 25.7% 2.5%
45 to 64 75 23.5% 7.1%
Over 65 41 12.8% -8.9%
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

There’s also a share of 0.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 319 100% 10.0%
Racial breakdown
White
97.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0.6%
Other
2.2%
Value Percent
White 310 97.2%
Two or more races 2 0.6%
Other 7 2.2%

Households in Mill Creek

A peek inside Mill Creek households

Mill Creek has 115 households, with an average of 3 members in each. Of these, 63.5% are families, while the remaining 36.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
115
10.6% year-over-year change
Average people per household
3
Non-family households
42
Family households
73
Value Percent YoY change
Non-family households 42 36.5% 0.0%
Family households 73 63.5% 17.7%
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 Mill Creek

The housing landscape of Mill Creek

Mill Creek's housing consists of 127 units, with 74.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.4% 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 1.6% of the housing landscape.

Housing units
127
11.4% year-over-year change
Housing types
Value Percent
1 unit, detached 95 74.8%
1 unit, attached 3 2.4%
2 units 3 2.4%
3 or 4 units 1 0.8%
5 to 9 units 23 18.1%
Mobile home 2 1.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Mill Creek

In Mill Creek, the median construction year is 1947. About 30.7% of homes were built before the 1940s, with another 27.6% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 39 30.7% 77.3%
Built between 1940 and 1949 35 27.6% 59.1%
Built between 1950 and 1959 15 11.8% -42.3%
Built between 1960 and 1969 23 18.1% -4.2%
Built between 1970 and 1979 13 10.2% -18.8%
Built between 2010 and 2019 2 1.6% 100.0%
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.

Mill Creek occupancy rates

Out of the 115 occupied housing units in Mill Creek, 60.9% are owner-occupied, while 39.1% are lived in by tenants. Meanwhile, 9.4% of all homes on the local market sit vacant.

Occupied housing units
115
10.6% year-over-year change
Occupancy breakdown
Renter occupied
45
Owner occupied
70
Value Percent YoY
change
Renter occupied 45 39.1% 60.7%
Owner occupied 70 60.9% -7.9%
Unoccupied housing units
9.4%
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.

Mill Creek housing costs

Housing costs in Mill Creek come to a median of $740 per month, while tenants specifically pay a median gross rent of $739.

Median housing costs per month
$740/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 Mill Creek
$739/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 Mill Creek

Mill Creek education at a glance

About 75.9% of the population in Mill Creek went to high school, while 12.4% pursued college studies. Another 7% earned an associate degree and 1.7% hold a bachelor’s. Meanwhile, 1.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 3 1.2% -40.0%
High school diploma 183 75.9% 10.2%
College diploma 30 12.4% -3.2%
Associate degree 17 7% 41.7%
Bachelor's degree 4 1.7% 33.3%
Graduate degree 4 1.7% 0.0%
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 Mill Creek

How much people earn in Mill Creek

The average annual household income in Mill Creek was $65,180 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.5% change from the previous year. At the same time, the median income stood at $48,750, reflecting a +8.3% shift over the same period.

Average household income in Mill Creek
$65,180/year
-1.5% year-over-year change
Median household income in Mill Creek
$48,750/year
8.3% year-over-year change

Mill Creek income by age

In Mill Creek, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $62,083. Those with someone between 45 and 64 in charge, often well established professionally, earn $101,875 overall. Overall, 90.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $62,083 -32.0%
45 - 64 $101,875 3.2%
Over 65 $22,500 4.5%
Above poverty level
290
Below poverty level
29
Value Percent YoY
change
Above poverty level 290 90.9% 8.2%
Below poverty level 29 9.1% 31.8%

Average renter income in Mill Creek

To get a better sense of what renters earn on average in Mill Creek, their median household income was $34,375 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 25.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$34,375
Rent-to-income ratio
25.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Mill Creek

Workforce and job types in Mill Creek

The job market in Mill Creek is powered by 155 working residents, spread across a range of industries and roles. 62.6% of the working population are employed in professional or administrative positions, while 37.4% are in hands-on or service-based jobs. Also, 5.8% run their own businesses, 74.8% are employed by private companies, and 15.5% work in the public sector.

Workforce demographics

Working population
155
10.7% year-over-year change
White collar
97
Blue collar
58
Value Percent YoY change
White collar 97 62.6% 14.1%
Blue collar 58 37.4% 5.5%
Employer type
Self employees
5.8%
Private companies
74.8%
Governmental workers
15.5%
Not for profit companies
3.9%
Value Percent YoY change
Self employees 9 5.8% -10.0%
Private companies 116 74.8% 28.9%
Governmental workers 24 15.5% -29.4%
Not for profit companies 6 3.9% 0.0%
Unemployment rate
9.4%
300.0% year-over-year change

Available workforce

The unemployment rate in Mill Creek stands at 9.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Mill Creek

How people get around in Mill Creek

Means of transportation
Value Percent YoY change
Car 145 100% 11.5%
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 Mill Creek by zipcode?

Zipcode Population Number of households Median income Average income
16145 2,660 1,163 $67,321 $90,328

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FAQs about Mill Creek demographics 

What is the total population of Mill Creek?

Mill Creek has a total population of 319 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 +10.0% compared to a year ago.

What is the gender ratio in Mill Creek?

The gender ratio in Mill Creek is as follows:
  • 54.6% males (174 residents)
  • 45.4% females (145 residents)

What is the median age in Mill Creek?

The median age in Mill Creek is 34.3.

What is the age distribution of the population in Mill Creek?

The age distribution in Mill Creek is as follows:
  • Under 15: 19.8% (63 residents)
  • Ages 15-24: 18.2% (58 residents)
  • Ages 25-44: 25.7% (82 residents)
  • Ages 45-64: 23.5% (75 residents)
  • Over 65: 12.8% (41 residents)

What is the racial and ethnic makeup of Mill Creek?

The racial and ethnic makeup of Mill Creek is as follows:
  • White: 97.2% (310 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 0.6% (2 residents)
  • Other: 2.2% (7 residents)

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

U.S.-born citizens represent 100% of the population in Mill Creek.

How many housing units are there in Mill Creek?

There are 127 housing units in Mill Creek, reflecting a +11.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Mill Creek has a total of 115 households, with an average of 3 people in each.

What is the median household income in Mill Creek?

Mill Creek has a median household income of $48,750, representing a +8.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Mill Creek?

The employment rate is 90.6% in Mill Creek, with a workforce of 155 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 62.6% (97 residents)
  • Blue-collar workers: 37.4% (58 residents)

Places of employment:
  • Self-employed: 5.8% (9 residents)
  • Private companies: 74.8% (116 residents)
  • Governmental workers: 15.5% (24 residents)
  • Not-for-profit companies: 3.9% (6 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