Hibernia, New Jersey Demographics & Population 2026

A note before these figures: with a population of 115, Hibernia's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Hibernia is a small community located in New Jersey, within Morris County. The total population is 115. It ranks as the 681st most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in Hibernia is 56.1 years. This is 40% higher than the state median of 40.1 years. Only 12.2% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Hibernia is $121,205. This is 17% higher than the state median of $103,556. It is also 50% higher than the national median of $80,734. The ACS records no residents below the poverty line in Hibernia. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Hibernia, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $451,800. Housing costs are about the same as the state median of $454,400. The home-value-to-income ratio is 3.7x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 63.8%.

Race & Ethnicity

Hibernia has a predominantly White (non-Hispanic) population, comprising 90.4% of all residents. The White (non-Hispanic) population is significantly higher than the state average (90.4% vs 50.9%).

Education

30.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 20.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Hibernia, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.