Lehigh County Population

1820–2026

385.83K

2026 projection

3% since 2020 (increase)

0100K200K300K400K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Lehigh County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026385,827+1,4440.38%
2025384,383+1,4440.38%
2024382,939+2,8710.76%
2023380,068+3,3220.88%
2022376,746+8940.24%
2021375,852+1,4030.37%
2020374,449+5,1411.39%
2019369,308+8560.23%
2018368,452+2,6800.73%
2017365,772+3,4150.94%

Showing 10 of 35 years.

Lehigh County Demographics

39.6median age

Median age

Female40.5 yrs
Male38.8 yrs

Adults

294,294
67,008 seniors (65+) · 23% of adults227,286 other adults

Sex

Female 50.8% · 192,398Male 49.2% · 186,394

Population by age

MaleFemale85+ years, male: 3,01785+ years, female: 5,80080–84 years, male: 3,33680–84 years, female: 4,44475–79 years, male: 5,10475–79 years, female: 6,37270–74 years, male: 8,17370–74 years, female: 9,43165–69 years, male: 10,22765–69 years, female: 11,10460–64 years, male: 12,81460–64 years, female: 12,13855–59 years, male: 11,03855–59 years, female: 12,58050–54 years, male: 11,56350–54 years, female: 11,83545–49 years, male: 11,29045–49 years, female: 11,32740–44 years, male: 13,13440–44 years, female: 12,23935–39 years, male: 12,02435–39 years, female: 12,55930–34 years, male: 12,75530–34 years, female: 12,71525–29 years, male: 11,85625–29 years, female: 11,82620–24 years, male: 11,87320–24 years, female: 12,08315–19 years, male: 12,72015–19 years, female: 12,02310–14 years, male: 12,38010–14 years, female: 12,3505–9 years, male: 12,1885–9 years, female: 11,0480–4 years, male: 10,9020–4 years, female: 10,52485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 3,788 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Lehigh County Income

$80,079median household income

Median household income

$80,079

Half of households earn more, half earn less

Median earnings

$50,742

Typical yearly pay for a worker 25 or older.

Poverty rate

11.6%

About 1 in 9 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Lehigh County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%51%46%
Never married35%37%32%
Divorced9%8%10%
Widowed6%3%9%
Separated2%2%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year