Median age
Indicates the median age of residents in the surrounding postcode. Known or imputed for 33,497 postcodes — 98.2% of the postcodes Faraday knows.
You only pay for people we match.
At a glance
- Coverage today
- 98.2%
- Typical coverage
- 98.2%
- Postcodes with a value
- 33.5K
- Median
- 41.77 years
- Most values come
- from the area
- Latest collection
- Dec 31, 2024
Distribution
n = 33,497Share of postcodes with a known value in each band. The middle 50% falls between 37.27 and 47.64 years, shaded darkest.
P10 means 10% of postcodes have a value at or below this one, and P90 means 90% do. P25 and P75 bound the middle half. The median is the middle: half are below it, half above.
Median over time
41.9 years41.1 years → 41.9 years across 4 collections, shaded between P25 and P75. Estimated from a 1% sample of postcodes.
Coverage
Latest collection: 41,117 postcodesCoverage by state
Percentage of postcodes in each state with a value.
Coverage over time
98.2% todayShare of postcodes holding a value at each monthly snapshot. A value carries forward for one year.
How we arrive at a value
Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.
- On the person — 0%
- Not used for this attribute — no value is inherited this way.
- From address — 0%
- Not used for this attribute — no value is inherited this way.
- From geography — 100%
- Estimated from other people in their postcode or region.
Coverage, in context
Where 98.2% sits on the catalog’s own coverage range.
Higher coverage than 47% of postcode-level attributes in the catalog
Freshness
How recently this was collected, and how often a new collection arrives. Each bar is the number of postcodes in that collection. Gaps are real — collection is periodic, not continuous.
Change between collections
The share of postcodes whose value is different from the previous collection.
of postcodes changed value between the two most recent collections — 6.0× the catalog median of 16.0%.
Contribution ledger
4 ingestions1 authority contributed since Dec 2021.
| Observed | Ingested | Count | ID |
|---|---|---|---|
| 41,117 | e2d21660-1ea6-430a-8bf9-33673e10fdd6 | ||
| 41,045 | 263a35d2-5801-4741-b944-e98bac372850 | ||
| 41,045 | 2a630c8a-310d-4609-85f0-6b111e297fd3 | ||
| 41,045 | bd04e3fc-186d-491b-8619-c4aa7f2f47a9 |
Related attributes
Attributes whose descriptions are closest to this one.
Neighbors found Oct 2026.
Use it in the API
Send an email, phone, or address. Get Median age back in real time.
- Add
median_ageto a project. - Send an email, phone, or address to the project's append endpoint. The response carries Median age for the matched person.
curl -X POST 'https://api.pro.faraday.ai/v1/projects/YOUR_PROJECT_ID/append' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"email": "jane.doe@example.com"
}'→ {"attributes":{"median_age":42}}Technical details
- API name
- median_age
- Category
- fig/demography
- Type · unit
- Float · year
- Statistical type
- ordinal
- Allowed values
- null
- Derivations
- null
- How values combine
- Read from a single source field.
- Directionality
- Higher number means an older population in the surrounding postcode.
- Deprecation
- false