Lock Haven, Pennsylvania

Lock Haven population, 2020 to 2024

Lock Haven added 437 residents from July 2020 to July 2024, a change of +5.4%. In the latest year it moved by -8. Among 193 Pennsylvania places of 5,000 or more, that growth ranks 13th; the median place changed by +0.2%. The median place of 5,000+ in Pennsylvania has 8,364 people, so Lock Haven is 1.0 times that size.

Lock Haven covers 2.50 square miles of land and 0.17 of water, for 3,412 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Lock Haven is less dense than the typical town.

What county Lock Haven is in

All of Lock Haven's residents live in Clinton County, which had 37,865 residents in 2024. Lock Haven holds 22.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lock Haven

1 ZIP Code Tabulation Area (ZCTA) overlaps Lock Haven by at least 10% of the ZCTA's or the city's land: 17745. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lock Haven is

The Census internal point of Lock Haven is at 41.137100, -77.453200. Harrisburg, the capital, is 67.3 miles SSE in a straight line. The nearest larger place is Williamsport, PA (27,628 people), 22.9 miles away. The nearest city of 100,000 or more is Allentown, PA, 109.8 miles away.

Daylight in Lock Haven

At 41.14° N, Lock Haven gets about 15 h 09 min of daylight around the June solstice and 9 h 13 min around the December solstice, a swing of 5 h 56 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lock Haven

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Flemington, 1.1 miles away, with 1,268 people.