Portsmouth nearby infrastructure and amenity access
NearbyIndex scores access to mapped daily services. Walkability also depends on routes, street conditions, safety, and comfort.
Population: 208K
Score Range
25-84 (best: 85)
10th-90th percentile
Groceries
Restaurants & Cafes
Public Transit
Healthcare
Education
Parks & Recreation
Shopping
Entertainment
Click the map to explore specific locations
NearbyIndex Amenity Access Profile v1.0.0
Evidence profile for Portsmouth
Calculated August 28, 2026
The median sampled point scores 67. A total of 56% of analyzed points score 60 or more. The typical range is 25–84, a 59-point difference. The strongest category is Education (79). The weakest is Shopping (34).
- Median access
- 67/100
- The middle analyzed grid-point score.
- High-access coverage
- 56%
- Analyzed grid points with a score of 60 or more.
- Consistency
- 41/100
- 100 minus the 10th-to-90th percentile width.
- Category balance
- 55/100
- 100 minus the strongest-to-weakest category difference.
- Grid evidence
- 16 analyzed of 16 points
- Estimated scored area
- 41.1 km²
- Mapped place records
- 1,723(41.9/km²)
- Named-area coverage
- 19% of grid points
Review every formula and source on the methodology page. Download the reviewed dataset as versioned JSON.
Nearby infrastructure across Portsmouth
56% of sampled points score 60 or more for nearby daily amenities. The model uses straight-line distance to groceries, food, transit, healthcare, education, parks, shopping, and entertainment.
This page is outside the reviewed city core. Use it for exploration, and verify the result with local sources.
Strongest categories
Education (79), Healthcare (73)
Weakest categories
Restaurants & Cafes (48), Shopping (34)
Scores range from 2 to 85 across neighborhoods — location matters a lot in this city.
What's in Portsmouth
Counted inside the area we score. Presence, not walking distance — the category scores above measure reachability.
Named-area data for Portsmouth
NearbyIndex matched 3 of 16 grid points (19%) to source neighborhood boundaries. That is not enough for a responsible area ranking, so this page does not generate neighborhood results from compass labels.
Want to check a specific address in Portsmouth?
Use the interactive map above or search any address to see its NearbyIndex score.
Curious how the score is computed? Read the methodology.