Census by Geographic County

Geographic County Census Explorer

Current Census data by geographic county

Hertfordshire county profile: England and Wales Census 2021.

92geographic counties
200120112021 / 2022

England & Wales Scotland Northern Ireland

Geographic county profile

Hertfordshire

England and Wales — ew-census-2021-v5. The county dossier covers geographic history and place; this profile presents detailed contemporary Census statistics. Open the interactive map.

At a glance

Population
1,240,679

Census 2021

Population density

Census 2021

Aged 65+
17.0%

Census 2021

Census context within England and Wales. Ranks descend by value; equal values share a rank and names sort alphabetically only for deterministic table order.
MeasureValueJurisdiction rank
Population1,240,67915 of 52
Population density5 of 52
Aged 65+17.0%45 of 52
View all 118 Census measures
Available Census observations
TopicMeasureValue
Migration & mobilityBorn in Africa3.3%
Population & demographyAged 0–1418.8%
Population & demographyAged 15–6464.2%
Population & demographyAged 65+17.0%
Migration & mobilityBorn in the Americas or Caribbean1.3%
Population & demographyArea
Migration & mobilityRecent arrivals among non-UK-born residents36.6%
Migration & mobilityArrived in UK 2011–20216.9%
Migration & mobilityArrived in UK before age 18 (migrants)29.3%
Identity, language & religionMulti-person households with 2+ religions2.5%
Households & housingBedroom overcrowding4.2%
Households & housing2+ spare bedrooms36.6%
Work, education & travelCycles to work1.2%
Migration & mobilityBorn in the UK81.3%
Migration & mobilityBorn in British Overseas territories<0.1%
Work, education & travelTravels to work by bus1.9%
OtherCannot speak English well or at all1.2%
Households & relationshipsCohabiting-couple households10.8%
Population & demographyPopulation density
Households & housingDetached homes20.5%
Health, disability & careDisabled under Equality Act definition14.4%
Households & housingDrives a car or van to work41.0%
Work, education & travelEconomically active65.3%
Work, education & travelEconomically inactive34.7%
Households & housingElectric heating only9.5%
Identity, language & religionAsian ethnic group9.0%
Identity, language & religionBlack ethnic group3.9%
Identity, language & religionMixed ethnic group3.9%
Identity, language & religionOther ethnic group2.4%
Identity, language & religionWhite ethnic group80.8%
Migration & mobilityBorn in EU countries7.5%
Population & demographyFemale population51.2%
Households & housingHouseholds with 4+ bedrooms25.6%
Households & housingHouseholds with 4+ people23.0%
Work, education & travelFull-time workers71.2%
Households & housingHas a second address4.6%
Health, disability & careBad or very bad health3.8%
Health, disability & careGood or very good health85.4%
Population & demographyHouseholds498,697
Households & housingHouseholds deprived in 2+ dimensions14.4%
Identity, language & religionHouseholds with no English/Welsh main language4.6%
Households & housingHouseholds not deprived53.5%
Households & relationshipsHouseholds with dependent children32.3%
Health, disability & careHouseholds with a disabled person27.9%
Identity, language & religionBritish identity only57.1%
Identity, language & religionEnglish identity only15.8%
Identity, language & religionNon-UK identity only10.1%
Identity, language & religionWelsh identity only0.3%
Work, education & travelIn employment62.2%
Households & relationshipsDivorced or civil partnership dissolved8.5%
Households & relationshipsMarried or in civil partnership48.4%
Households & relationshipsNever married / civil partnered35.3%
Households & relationshipsSeparated2.1%
Households & relationshipsWidowed or surviving civil partner5.7%
Households & housingLives rent free<0.1%
Households & relationshipsLone-parent households10.8%
Identity, language & religionMain language not English/Welsh8.7%
Households & housingMains gas heating only77.4%
Population & demographyMale population48.8%
Households & relationshipsMarried/civil-partnership couple households35.3%
Migration & mobilityBorn in Middle East or Asia5.2%
Migration & mobilityMoved from outside UK in previous year0.9%
Migration & mobilityMoved within UK in previous year8.8%
Identity, language & religionMulti-ethnic-group multi-person households20.1%
Identity, language & religionMulti-person households with multiple main languages9.1%
Households & housingHouseholds with no car or van15.9%
Households & housingNo central heating1.1%
Migration & mobilityNo passport held8.6%
Migration & mobilityBorn in non-EU Europe1.2%
Migration & mobilityBorn outside the UK18.7%
Migration & mobilityNon-UK short-term residents1,970
Migration & mobilityFemale share of non-UK short-term residents58.0%
Work, education & travelNot employed and never worked22.2%
Work, education & travelNot employed but worked in previous 12 months14.1%
Work, education & travelHigher managerial and professional occupations17.7%
Work, education & travelProfessional occupations23.1%
Work, education & travelSkilled trades occupations9.1%
Migration & mobilityBorn in Oceania / other0.3%
Households & housingOil heating only1.6%
Households & housingOne-bedroom households12.7%
Households & relationshipsOne-person households aged 66+12.2%
Households & housingOne-person households27.7%
Households & housingHouseholds with 1–2 rooms12.3%
Households & relationshipsOther household types6.1%
Households & housingOwned outright31.3%
Households & housingOwner-occupied households64.5%
Households & housingOwned with mortgage or loan33.2%
Work, education & travelPart-time workers28.8%
Population & demographyPopulation1,240,679
Households & housingPrivate rented16.9%
Health, disability & careProvides 50+ hours unpaid care2.2%
Health, disability & careProvides unpaid care8.3%
Households & housingPurpose-built flats20.8%
Work, education & travelLevel 4+ qualifications39.7%
Work, education & travelNo qualifications14.7%
Identity, language & religionChristian46.4%
Identity, language & religionHindu3.1%
Identity, language & religionMuslim4.2%
Identity, language & religionNo religion36.0%
Households & housingRoom overcrowding6.3%
Work, education & travelSchoolchild or full-time student20.7%
Households & housingHoliday home share of second addresses20.0%
Households & housingSecond address outside UK1.3%
Households & housingStudent share of second addresses11.4%
Households & housingHouseholds with 7+ rooms7.8%
OtherShared ownership1.1%
Households & relationshipsSingle-family households66.3%
Households & housingSocial rented17.4%
Work, education & travelTravels to work by train3.4%
Households & housingHouseholds with 2+ cars or vans41.9%
Migration & mobilityBorn in the UK81.3%
Migration & mobilityUK residence under 5 years3.8%
Work, education & travelUnemployed3.1%
Work, education & travelWalks to work6.8%
Work, education & travelWorks mainly from home39.5%
Work, education & travelTravels 30km+ to work4.3%
Work, education & travelWorks 49+ hours12.4%
Work, education & travelWorks mainly from home39.5%
Sources and methodology

Observations come from the versioned England and Wales Census adapter release. Use the release-specific source notes before drawing cross-jurisdiction conclusions.

Change over time

Historical observations are shown in Census-year order. Published change is limited to the declared release pairs; this is not an annual series.

Published Census history for Hertfordshire

Measure2001 Census2011 Census2021 CensusPublished change
Usual resident population 1,071,697 1,156,279 1,240,679
2001 to 201184,5827.89%
2011 to 202184,4007.30%
Usual resident population density
2001 to 2011133.6 people per sq mi (51.57 people per km²)7.89%
2011 to 2021133.3 people per sq mi (51.5 people per km²)7.30%
Residents aged 65 and over 15.00% 15.50% 17.0%
2001 to 20110.50 percentage points
2011 to 20211.50 percentage points
Households with no car or van 17.87% 17.17% 15.9%
2001 to 2011Release-specific household denominator and category definitions are retained; no public change pair is published.
2011 to 2021Qualified household series require the release-specific denominator and category note to remain visible.
Owner-occupied households 72.61% 66.88% 64.5%
2001 to 2011Release-specific household denominator and category definitions are retained; no public change pair is published.
2011 to 2021Qualified household series require the release-specific denominator and category note to remain visible.
Private-rented households 7.18% 13.22% 16.9%
2001 to 2011Release-specific household denominator and category definitions are retained; no public change pair is published.
2011 to 2021Qualified household series require the release-specific denominator and category note to remain visible.
Historical sources and methodology: 2001 to 2011

Historical release: England and Wales Census 2001 (ew-census-2001-v2). Official source: ONS Census 2001 via Nomis KS001, KS002, KS017 and UV063.

Official Census small-area data are reproducibly allocated to the fixed Definition A geographic counties using the locked historical methodology. Source statistical areas are not themselves geographic counties.

Paired current release: England and Wales Census 2011 (ew-census-2011-v1). Official source: ONS Census 2011 via Nomis bulk data.

Comparability: Comparable with qualifications.

Historical sources and methodology: 2011 to 2021

Historical release: England and Wales Census 2011 (ew-census-2011-v1). Official source: ONS Census 2011 via Nomis bulk data.

Official Census small-area data are reproducibly allocated to the fixed Definition A geographic counties using the locked historical methodology. Source statistical areas are not themselves geographic counties.

Paired current release: England and Wales Census 2021 (ew-census-2021-v5). Official source: ONS Census 2021 via Nomis bulk data.

Comparability: Comparable with qualifications.

Browse the county directory

Choose a county for its release-specific profile. This provides a non-map way to select any available county.

Sources, releases and methodology
  • England and Wales — Census 2021 (ONS Census 2021 via Nomis bulk data)
  • Scotland — Census 2022 (NRS / Scotland's Census 2022)
  • Northern Ireland — Census 2021 (NISRA Census 2021)

Versioned provenance and adapter artifacts support these values. The map is Definition A geometry simplified only for thematic display.