Also See Mount Gretna, PA: ZIP Codes & Maps
The Borough of Mount Gretna had a population of 203 as of July 1, 2025.
The primary coordinate point for Mount Gretna is located at latitude 40.2476 and longitude -76.4694 in Lebanon County. The formal boundaries for the Borough of Mount Gretna encompass a land area of 0.14 sq. miles and a water area of 0 sq. miles. Lebanon County is in the Eastern time zone (GMT -5).
The Borough of Mount Gretna has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
POPULATION | |
|---|---|
| Total Population | 203 (100%) | 
| Population in Households | 203 (100.0%) | 
| Population in Families | 135 (66.5%) | 
| Population in Group Quarters1 | 0 | 
| Population Density | 1,410 | 
| Diversity Index2 | 19 | 
INCOME | |
| Median Household Income | $84,906 | 
| Average Household Income | $118,716 | 
| % of Income for Mortgage4 | 24% | 
| Per Capita Income | $61,990 | 
| Wealth Index5 | 133 | 
| Socioeconomic Status Index6 | Moderate (63.2) | 
HOUSING | |
|---|---|
| Total HU (Housing Units) | 202 (100%) | 
| Owner Occupied HU | 103 (51.0%) | 
| Renter Occupied HU | 3 ( 1.5%) | 
| Vacant Housing Units | 96 (47.5%) | 
| Median Home Value | $324,359 | 
| Average Home Value | $312,718 | 
| Housing Affordability Index3 | 92 | 
HOUSEHOLDS | |
| Total Households | 106 | 
| Average Household Size | 1.92 | 
| Family Households | 47 | 
| Average Family Size | 3.00 | 
GROWTH RATE / YEAR | 
2020-2025 | 2025-2030 | 
|---|---|---|
| Population | 0.97% | -0.40% | 
| Households | -0.36% | -0.19% | 
| Families | 7.98% | |
| Median Household Income | 0.97% | |
| Per Capita Income | 0.69% | |
| Owner Occupied HU | -0.79% | 
The table below compares Mount Gretna to the other 2,002 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile | 
|---|---|---|
| Total Population | # 1722 | 14th | 
| Population Density | # 940 | 53rd | 
| Median Household Income | # 503 | 75th | 
| Housing Affordability Index | # 659 | 33rd | 
| Per Capita Income | # 106 | 95th | 
| Diversity Index | # 1077 | 46th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.
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