The data is free. The answers cost £29.

Census 2021 data is public under the Open Government Licence. CensusWise gives you instant, plain-English access to it — no Nomis CSV exports, no API keys, no hours of data wrangling.

Free
£0
forever
  • Visual data explorer
  • National & regional breakdowns
  • Population, age, deprivation charts
  • 2 AI demo queries
  • Unlimited AI questions
  • Postcode-level lookups
Explore free data
Pro
£29
per month
  • Everything in Free
  • Unlimited AI questions
  • Postcode → LSOA lookups
  • Local authority detail
  • Compare any two areas
  • CSV data export
Agency
£149
per month
  • Everything in Pro
  • API access (10K calls/mo)
  • LSOA-level detail
  • Custom reports
  • Priority support
  • 5 team seats

What Pro actually looks like

Here are real questions you can ask, and the kind of answers CensusWise gives you:

What is the population of Manchester by ethnic group?
Manchester's population by ethnic group (Census 2021): White: 366,176 (66.7%), Asian: 86,896 (15.8%), Black: 50,645 (9.2%), Mixed: 28,483 (5.2%)... Source: Census 2021, ONS
Age breakdown for the area around SW1A 1AA
SW1A 1AA is in Westminster (City of London). Age breakdown: 0-15: 14.2%, 16-24: 10.8%, 25-49: 42.1%, 50-64: 18.3%, 65+: 14.6%. Source: Census 2021, ONS
Which region has the highest deprivation?
North East has the highest deprivation with an average IMD decile of 3.8 (1 = most deprived). 38% of its LSOAs fall in the most deprived decile.
Compare Leeds and Sheffield by population
Leeds: 812,000 total (49.1% male, 50.9% female). Sheffield: 556,500 total (49.4% male, 50.6% female). Leeds is 46% larger by population.

£29/month vs £5,000–50,000/year

CACI Acorn and Experian Mosaic charge thousands per year for demographic profiling built on the same public census data. CensusWise gives you instant AI access to it for the price of a takeaway.

Questions

What data does CensusWise cover?
Census 2021 population data (sex, age, ethnicity) for all 331 local authorities and 33,755 LSOAs in England & Wales. Plus Index of Multiple Deprivation 2019 and postcode lookups via Postcodes.io. All sourced from the Office for National Statistics under the Open Government Licence v3.0.
Can I try the AI before subscribing?
Yes. The homepage has a live demo with 2 free AI queries — no signup needed. The free Data Explorer also gives you visual charts and tables for all national and regional data.
How accurate are the AI answers?
CensusWise never invents numbers. The AI translates your question into Census API calls, retrieves the data, and narrates the results. Every figure comes directly from ONS datasets. The model is instructed to say "I don't know" if data isn't available.
Can I cancel anytime?
Yes. All subscriptions are month-to-month with no minimum commitment. Cancel from your dashboard at any time — your access continues until the end of the billing period.
What if I need an invoice or receipt?
Stripe handles all billing. You'll get an automatic receipt for every payment. For custom invoicing or purchase orders (Agency plan), contact us.