Rows tagged local are specific to Willow Grove (Census ACS); state rows are state averages; metro-area rows are inherited from Philadelphia, PA. Home value is ACS owner-reported (not a Zillow sale price).
Lower natural-disaster risk; standard home coverage usually sufficient.
FEMA National Risk Index (0–100, higher = more risk)
94.5 — Relatively High
metro-area
#138 of 200 metros
Flood insurance (annual, NFIP)
$650
state
#41 of 200 metros
Earthquake insurance (annual)
$100
state
#1 of 200 metros
Climate & air quality
Metric
Value
Scope
US rank
Air quality (median AQI, lower=cleaner)
53
metro-area
#157 of 200 metros
Cooling degree-days (AC load)
800
metro-area
#49 of 200 metros
Homes with air conditioning (state)
91%
state
#115 of 200 metros
Heating degree-days (heat load)
5,700
metro-area
#141 of 200 metros
Days per year ≥ 90°F
23
metro-area
#92 of 200 metros
Days per year ≥ 100°F
0
metro-area
#5 of 200 metros
Avg summer high (state)
85°F
metro-area
#59 of 200 metros
Avg winter low
22°F
metro-area
#130 of 200 metros
Annual precipitation
44.1"
metro-area
#116 of 200 metros
Annual snowfall
23.1"
metro-area
#127 of 200 metros
Sunshine (% of possible)
56%
metro-area
#132 of 200 metros
Plant hardiness zone
6b
Frost window
04-20 → 10-20
Safety
Metric
Value
Scope
US rank
Violent crime (per 100k, state avg)
390
state
#91 of 200 metros
Property crime (per 100k, state avg)
1,400
state
#11 of 200 metros
Local amenities & recreation
Metric
Value
Scope
US rank
Grocery stores
81
metro-area
#95 of 200 metros
Parks
77
Hiking areas
38
Golf courses
24
Shooting ranges
14
Lakes
12
Permits
Metric
Value
Scope
US rank
Building permit difficulty (1–5)
3
state
#87 of 200 metros
Permit detail
Moderate
US rank = this metro's position among all 200 metros (1 = best: cheapest / safest / highest income, etc.). Childcare is a family cost, not included in the salary-equivalence total.